20539265760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{35393}}^1$

素因数の和:35458

約数の個数: 288

約数和(自身を含む): 77918899968

約数和(自身を除く): 57379634208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 32, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 96, 104, 117, 120, 124, 130, 144, 155, 156, 160, 180, 186, 195, 208, 234, 240, 248, 260, 279, 288, 310, 312, 360, 372, 390, 403, 416, 465, 468, 480, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 992, 1040, 1116, 1170, 1209, 1240, 1248, 1395, 1440, 1488, 1560, 1612, 1860, 1872, 2015, 2080, 2232, 2340, 2418, 2480, 2790, 2976, 3120, 3224, 3627, 3720, 3744, 4030, 4464, 4680, 4836, 4960, 5580, 6045, 6240, 6448, 7254, 7440, 8060, 8928, 9360, 9672, 11160, 12090, 12896, 14508, 14880, 16120, 18135, 18720, 19344, 22320, 24180, 29016, 32240, 35393, 36270, 38688, 44640, 48360, 58032, 64480, 70786, 72540, 96720, 106179, 116064, 141572, 145080, 176965, 193440, 212358, 283144, 290160, 318537, 353930, 424716, 460109, 530895, 566288, 580320, 637074, 707860, 849432, 920218, 1061790, 1097183, 1132576, 1274148, 1380327, 1415720, 1592685, 1698864, 1840436, 2123580, 2194366, 2300545, 2548296, 2760654, 2831440, 3185370, 3291549, 3397728, 3680872, 4140981, 4247160, 4388732, 4601090, 5096592, 5485915, 5521308, 5662880, 6370740, 6583098, 6901635, 7361744, 8281962, 8494320, 8777464, 9202180, 9874647, 10193184, 10971830, 11042616, 12741480, 13166196, 13803270, 14263379, 14723488, 16457745, 16563924, 16988640, 17554928, 18404360, 19749294, 20704905, 21943660, 22085232, 25482960, 26332392, 27606540, 28526758, 32915490, 33127848, 35109856, 36808720, 39498588, 41409810, 42790137, 43887320, 44170464, 49373235, 50965920, 52664784, 55213080, 57053516, 65830980, 66255696, 71316895, 73617440, 78997176, 82819620, 85580274, 87774640, 98746470, 105329568, 110426160, 114107032, 128370411, 131661960, 132511392, 142633790, 157994352, 165639240, 171160548, 175549280, 197492940, 213950685, 220852320, 228214064, 256740822, 263323920, 285267580, 315988704, 331278480, 342321096, 394985880, 427901370, 456428128, 513481644, 526647840, 570535160, 641852055, 662556960, 684642192, 789971760, 855802740, 1026963288, 1141070320, 1283704110, 1369284384, 1579943520, 1711605480, 2053926576, 2282140640, 2567408220, 3423210960, 4107853152, 5134816440, 6846421920, 10269632880, 20539265760]

約数ペア:

[(1, 20539265760), (2, 10269632880), (3, 6846421920), (4, 5134816440), (5, 4107853152), (6, 3423210960), (8, 2567408220), (9, 2282140640), (10, 2053926576), (12, 1711605480), (13, 1579943520), (15, 1369284384), (16, 1283704110), (18, 1141070320), (20, 1026963288), (24, 855802740), (26, 789971760), (30, 684642192), (31, 662556960), (32, 641852055), (36, 570535160), (39, 526647840), (40, 513481644), (45, 456428128), (48, 427901370), (52, 394985880), (60, 342321096), (62, 331278480), (65, 315988704), (72, 285267580), (78, 263323920), (80, 256740822), (90, 228214064), (93, 220852320), (96, 213950685), (104, 197492940), (117, 175549280), (120, 171160548), (124, 165639240), (130, 157994352), (144, 142633790), (155, 132511392), (156, 131661960), (160, 128370411), (180, 114107032), (186, 110426160), (195, 105329568), (208, 98746470), (234, 87774640), (240, 85580274), (248, 82819620), (260, 78997176), (279, 73617440), (288, 71316895), (310, 66255696), (312, 65830980), (360, 57053516), (372, 55213080), (390, 52664784), (403, 50965920), (416, 49373235), (465, 44170464), (468, 43887320), (480, 42790137), (496, 41409810), (520, 39498588), (558, 36808720), (585, 35109856), (620, 33127848), (624, 32915490), (720, 28526758), (744, 27606540), (780, 26332392), (806, 25482960), (930, 22085232), (936, 21943660), (992, 20704905), (1040, 19749294), (1116, 18404360), (1170, 17554928), (1209, 16988640), (1240, 16563924), (1248, 16457745), (1395, 14723488), (1440, 14263379), (1488, 13803270), (1560, 13166196), (1612, 12741480), (1860, 11042616), (1872, 10971830), (2015, 10193184), (2080, 9874647), (2232, 9202180), (2340, 8777464), (2418, 8494320), (2480, 8281962), (2790, 7361744), (2976, 6901635), (3120, 6583098), (3224, 6370740), (3627, 5662880), (3720, 5521308), (3744, 5485915), (4030, 5096592), (4464, 4601090), (4680, 4388732), (4836, 4247160), (4960, 4140981), (5580, 3680872), (6045, 3397728), (6240, 3291549), (6448, 3185370), (7254, 2831440), (7440, 2760654), (8060, 2548296), (8928, 2300545), (9360, 2194366), (9672, 2123580), (11160, 1840436), (12090, 1698864), (12896, 1592685), (14508, 1415720), (14880, 1380327), (16120, 1274148), (18135, 1132576), (18720, 1097183), (19344, 1061790), (22320, 920218), (24180, 849432), (29016, 707860), (32240, 637074), (35393, 580320), (36270, 566288), (38688, 530895), (44640, 460109), (48360, 424716), (58032, 353930), (64480, 318537), (70786, 290160), (72540, 283144), (96720, 212358), (106179, 193440), (116064, 176965), (141572, 145080)]