20129184

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1942

約数の個数: 72

約数和(自身を含む): 58820580

約数和(自身を除く): 38691396

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 1889, 2664, 3552, 3778, 5328, 5667, 7556, 10656, 11334, 15112, 17001, 22668, 30224, 34002, 45336, 60448, 68004, 69893, 90672, 136008, 139786, 181344, 209679, 272016, 279572, 419358, 544032, 559144, 629037, 838716, 1118288, 1258074, 1677432, 2236576, 2516148, 3354864, 5032296, 6709728, 10064592, 20129184]

約数ペア:

[(1, 20129184), (2, 10064592), (3, 6709728), (4, 5032296), (6, 3354864), (8, 2516148), (9, 2236576), (12, 1677432), (16, 1258074), (18, 1118288), (24, 838716), (32, 629037), (36, 559144), (37, 544032), (48, 419358), (72, 279572), (74, 272016), (96, 209679), (111, 181344), (144, 139786), (148, 136008), (222, 90672), (288, 69893), (296, 68004), (333, 60448), (444, 45336), (592, 34002), (666, 30224), (888, 22668), (1184, 17001), (1332, 15112), (1776, 11334), (1889, 10656), (2664, 7556), (3552, 5667), (3778, 5328)]