20123998020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43283}}^1$

素因数の和:43352

約数の個数: 240

約数和(自身を含む): 73909680768

約数和(自身を除く): 53785682748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 81, 82, 84, 90, 105, 108, 123, 126, 135, 140, 162, 164, 180, 189, 205, 210, 246, 252, 270, 287, 315, 324, 369, 378, 405, 410, 420, 492, 540, 567, 574, 615, 630, 738, 756, 810, 820, 861, 945, 1107, 1134, 1148, 1230, 1260, 1435, 1476, 1620, 1722, 1845, 1890, 2214, 2268, 2460, 2583, 2835, 2870, 3321, 3444, 3690, 3780, 4305, 4428, 5166, 5535, 5670, 5740, 6642, 7380, 7749, 8610, 10332, 11070, 11340, 12915, 13284, 15498, 16605, 17220, 22140, 23247, 25830, 30996, 33210, 38745, 43283, 46494, 51660, 66420, 77490, 86566, 92988, 116235, 129849, 154980, 173132, 216415, 232470, 259698, 302981, 389547, 432830, 464940, 519396, 605962, 649245, 779094, 865660, 908943, 1168641, 1211924, 1298490, 1514905, 1558188, 1774603, 1817886, 1947735, 2337282, 2596980, 2726829, 3029810, 3505923, 3549206, 3635772, 3895470, 4544715, 4674564, 5323809, 5453658, 5843205, 6059620, 7011846, 7098412, 7790940, 8180487, 8873015, 9089430, 10647618, 10907316, 11686410, 12422221, 13634145, 14023692, 15971427, 16360974, 17529615, 17746030, 18178860, 21295236, 23372820, 24541461, 24844442, 26619045, 27268290, 31942854, 32721948, 35059230, 35492060, 37266663, 40902435, 47914281, 49082922, 49688884, 53238090, 54536580, 62111105, 63885708, 70118460, 74533326, 79857135, 81804870, 95828562, 98165844, 106476180, 111799989, 122707305, 124222210, 143742843, 149066652, 159714270, 163609740, 186333315, 191657124, 223599978, 239571405, 245414610, 248444420, 287485686, 319428540, 335399967, 372666630, 447199956, 479142810, 490829220, 558999945, 574971372, 670799934, 718714215, 745333260, 958285620, 1006199901, 1117999890, 1341599868, 1437428430, 1676999835, 2012399802, 2235999780, 2874856860, 3353999670, 4024799604, 5030999505, 6707999340, 10061999010, 20123998020]

約数ペア:

[(1, 20123998020), (2, 10061999010), (3, 6707999340), (4, 5030999505), (5, 4024799604), (6, 3353999670), (7, 2874856860), (9, 2235999780), (10, 2012399802), (12, 1676999835), (14, 1437428430), (15, 1341599868), (18, 1117999890), (20, 1006199901), (21, 958285620), (27, 745333260), (28, 718714215), (30, 670799934), (35, 574971372), (36, 558999945), (41, 490829220), (42, 479142810), (45, 447199956), (54, 372666630), (60, 335399967), (63, 319428540), (70, 287485686), (81, 248444420), (82, 245414610), (84, 239571405), (90, 223599978), (105, 191657124), (108, 186333315), (123, 163609740), (126, 159714270), (135, 149066652), (140, 143742843), (162, 124222210), (164, 122707305), (180, 111799989), (189, 106476180), (205, 98165844), (210, 95828562), (246, 81804870), (252, 79857135), (270, 74533326), (287, 70118460), (315, 63885708), (324, 62111105), (369, 54536580), (378, 53238090), (405, 49688884), (410, 49082922), (420, 47914281), (492, 40902435), (540, 37266663), (567, 35492060), (574, 35059230), (615, 32721948), (630, 31942854), (738, 27268290), (756, 26619045), (810, 24844442), (820, 24541461), (861, 23372820), (945, 21295236), (1107, 18178860), (1134, 17746030), (1148, 17529615), (1230, 16360974), (1260, 15971427), (1435, 14023692), (1476, 13634145), (1620, 12422221), (1722, 11686410), (1845, 10907316), (1890, 10647618), (2214, 9089430), (2268, 8873015), (2460, 8180487), (2583, 7790940), (2835, 7098412), (2870, 7011846), (3321, 6059620), (3444, 5843205), (3690, 5453658), (3780, 5323809), (4305, 4674564), (4428, 4544715), (5166, 3895470), (5535, 3635772), (5670, 3549206), (5740, 3505923), (6642, 3029810), (7380, 2726829), (7749, 2596980), (8610, 2337282), (10332, 1947735), (11070, 1817886), (11340, 1774603), (12915, 1558188), (13284, 1514905), (15498, 1298490), (16605, 1211924), (17220, 1168641), (22140, 908943), (23247, 865660), (25830, 779094), (30996, 649245), (33210, 605962), (38745, 519396), (43283, 464940), (46494, 432830), (51660, 389547), (66420, 302981), (77490, 259698), (86566, 232470), (92988, 216415), (116235, 173132), (129849, 154980)]