20147800920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20533}}^1$

素因数の和:20614

約数の個数: 256

約数和(自身を含む): 70788090240

約数和(自身を除く): 50640289320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 37, 39, 40, 51, 52, 60, 65, 68, 74, 78, 85, 102, 104, 111, 120, 130, 136, 148, 156, 170, 185, 195, 204, 221, 222, 255, 260, 296, 312, 340, 370, 390, 408, 442, 444, 481, 510, 520, 555, 629, 663, 680, 740, 780, 884, 888, 962, 1020, 1105, 1110, 1258, 1326, 1443, 1480, 1560, 1768, 1887, 1924, 2040, 2210, 2220, 2405, 2516, 2652, 2886, 3145, 3315, 3774, 3848, 4420, 4440, 4810, 5032, 5304, 5772, 6290, 6630, 7215, 7548, 8177, 8840, 9435, 9620, 11544, 12580, 13260, 14430, 15096, 16354, 18870, 19240, 20533, 24531, 25160, 26520, 28860, 32708, 37740, 40885, 41066, 49062, 57720, 61599, 65416, 75480, 81770, 82132, 98124, 102665, 122655, 123198, 163540, 164264, 196248, 205330, 245310, 246396, 266929, 307995, 327080, 349061, 410660, 490620, 492792, 533858, 615990, 698122, 759721, 800787, 821320, 981240, 1047183, 1067716, 1231980, 1334645, 1396244, 1519442, 1601574, 1745305, 2094366, 2135432, 2279163, 2463960, 2669290, 2792488, 3038884, 3203148, 3490610, 3798605, 4003935, 4188732, 4537793, 4558326, 5235915, 5338580, 6077768, 6406296, 6981220, 7597210, 8007870, 8377464, 9075586, 9116652, 9876373, 10471830, 10677160, 11395815, 12915257, 13613379, 13962440, 15194420, 16015740, 18151172, 18233304, 19752746, 20943660, 22688965, 22791630, 25830514, 27226758, 29629119, 30388840, 32031480, 36302344, 38745771, 39505492, 41887320, 45377930, 45583260, 49381865, 51661028, 54453516, 59258238, 64576285, 68066895, 77491542, 79010984, 90755860, 91166520, 98763730, 103322056, 108907032, 118516476, 129152570, 136133790, 148145595, 154983084, 167898341, 181511720, 193728855, 197527460, 237032952, 258305140, 272267580, 296291190, 309966168, 335796682, 387457710, 395054920, 503695023, 516610280, 544535160, 592582380, 671593364, 774915420, 839491705, 1007390046, 1185164760, 1343186728, 1549830840, 1678983410, 2014780092, 2518475115, 3357966820, 4029560184, 5036950230, 6715933640, 10073900460, 20147800920]

約数ペア:

[(1, 20147800920), (2, 10073900460), (3, 6715933640), (4, 5036950230), (5, 4029560184), (6, 3357966820), (8, 2518475115), (10, 2014780092), (12, 1678983410), (13, 1549830840), (15, 1343186728), (17, 1185164760), (20, 1007390046), (24, 839491705), (26, 774915420), (30, 671593364), (34, 592582380), (37, 544535160), (39, 516610280), (40, 503695023), (51, 395054920), (52, 387457710), (60, 335796682), (65, 309966168), (68, 296291190), (74, 272267580), (78, 258305140), (85, 237032952), (102, 197527460), (104, 193728855), (111, 181511720), (120, 167898341), (130, 154983084), (136, 148145595), (148, 136133790), (156, 129152570), (170, 118516476), (185, 108907032), (195, 103322056), (204, 98763730), (221, 91166520), (222, 90755860), (255, 79010984), (260, 77491542), (296, 68066895), (312, 64576285), (340, 59258238), (370, 54453516), (390, 51661028), (408, 49381865), (442, 45583260), (444, 45377930), (481, 41887320), (510, 39505492), (520, 38745771), (555, 36302344), (629, 32031480), (663, 30388840), (680, 29629119), (740, 27226758), (780, 25830514), (884, 22791630), (888, 22688965), (962, 20943660), (1020, 19752746), (1105, 18233304), (1110, 18151172), (1258, 16015740), (1326, 15194420), (1443, 13962440), (1480, 13613379), (1560, 12915257), (1768, 11395815), (1887, 10677160), (1924, 10471830), (2040, 9876373), (2210, 9116652), (2220, 9075586), (2405, 8377464), (2516, 8007870), (2652, 7597210), (2886, 6981220), (3145, 6406296), (3315, 6077768), (3774, 5338580), (3848, 5235915), (4420, 4558326), (4440, 4537793), (4810, 4188732), (5032, 4003935), (5304, 3798605), (5772, 3490610), (6290, 3203148), (6630, 3038884), (7215, 2792488), (7548, 2669290), (8177, 2463960), (8840, 2279163), (9435, 2135432), (9620, 2094366), (11544, 1745305), (12580, 1601574), (13260, 1519442), (14430, 1396244), (15096, 1334645), (16354, 1231980), (18870, 1067716), (19240, 1047183), (20533, 981240), (24531, 821320), (25160, 800787), (26520, 759721), (28860, 698122), (32708, 615990), (37740, 533858), (40885, 492792), (41066, 490620), (49062, 410660), (57720, 349061), (61599, 327080), (65416, 307995), (75480, 266929), (81770, 246396), (82132, 245310), (98124, 205330), (102665, 196248), (122655, 164264), (123198, 163540)]