20168403480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71917}}^1$

素因数の和:71994

約数の個数: 192

約数和(自身を含む): 70681010400

約数和(自身を除く): 50512606920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 57, 60, 72, 76, 82, 90, 95, 114, 120, 123, 152, 164, 171, 180, 190, 205, 228, 246, 285, 328, 342, 360, 369, 380, 410, 456, 492, 570, 615, 684, 738, 760, 779, 820, 855, 984, 1140, 1230, 1368, 1476, 1558, 1640, 1710, 1845, 2280, 2337, 2460, 2952, 3116, 3420, 3690, 3895, 4674, 4920, 6232, 6840, 7011, 7380, 7790, 9348, 11685, 14022, 14760, 15580, 18696, 23370, 28044, 31160, 35055, 46740, 56088, 70110, 71917, 93480, 140220, 143834, 215751, 280440, 287668, 359585, 431502, 575336, 647253, 719170, 863004, 1078755, 1294506, 1366423, 1438340, 1726008, 2157510, 2589012, 2732846, 2876680, 2948597, 3236265, 4099269, 4315020, 5178024, 5465692, 5897194, 6472530, 6832115, 8198538, 8630040, 8845791, 10931384, 11794388, 12297807, 12945060, 13664230, 14742985, 16397076, 17691582, 20496345, 23588776, 24595614, 25890120, 26537373, 27328460, 29485970, 32794152, 35383164, 40992690, 44228955, 49191228, 53074746, 54656920, 56023343, 58971940, 61489035, 70766328, 81985380, 88457910, 98382456, 106149492, 112046686, 117943880, 122978070, 132686865, 163970760, 168070029, 176915820, 212298984, 224093372, 245956140, 265373730, 280116715, 336140058, 353831640, 448186744, 491912280, 504210087, 530747460, 560233430, 672280116, 840350145, 1008420174, 1061494920, 1120466860, 1344560232, 1680700290, 2016840348, 2240933720, 2521050435, 3361400580, 4033680696, 5042100870, 6722801160, 10084201740, 20168403480]

約数ペア:

[(1, 20168403480), (2, 10084201740), (3, 6722801160), (4, 5042100870), (5, 4033680696), (6, 3361400580), (8, 2521050435), (9, 2240933720), (10, 2016840348), (12, 1680700290), (15, 1344560232), (18, 1120466860), (19, 1061494920), (20, 1008420174), (24, 840350145), (30, 672280116), (36, 560233430), (38, 530747460), (40, 504210087), (41, 491912280), (45, 448186744), (57, 353831640), (60, 336140058), (72, 280116715), (76, 265373730), (82, 245956140), (90, 224093372), (95, 212298984), (114, 176915820), (120, 168070029), (123, 163970760), (152, 132686865), (164, 122978070), (171, 117943880), (180, 112046686), (190, 106149492), (205, 98382456), (228, 88457910), (246, 81985380), (285, 70766328), (328, 61489035), (342, 58971940), (360, 56023343), (369, 54656920), (380, 53074746), (410, 49191228), (456, 44228955), (492, 40992690), (570, 35383164), (615, 32794152), (684, 29485970), (738, 27328460), (760, 26537373), (779, 25890120), (820, 24595614), (855, 23588776), (984, 20496345), (1140, 17691582), (1230, 16397076), (1368, 14742985), (1476, 13664230), (1558, 12945060), (1640, 12297807), (1710, 11794388), (1845, 10931384), (2280, 8845791), (2337, 8630040), (2460, 8198538), (2952, 6832115), (3116, 6472530), (3420, 5897194), (3690, 5465692), (3895, 5178024), (4674, 4315020), (4920, 4099269), (6232, 3236265), (6840, 2948597), (7011, 2876680), (7380, 2732846), (7790, 2589012), (9348, 2157510), (11685, 1726008), (14022, 1438340), (14760, 1366423), (15580, 1294506), (18696, 1078755), (23370, 863004), (28044, 719170), (31160, 647253), (35055, 575336), (46740, 431502), (56088, 359585), (70110, 287668), (71917, 280440), (93480, 215751), (140220, 143834)]