20408727456

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5451049}}^1$

素因数の和:5451078

約数の個数: 72

約数和(自身を含む): 62501739300

約数和(自身を除く): 42093011844

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5451049, 10902098, 16353147, 21804196, 32706294, 43608392, 49059441, 65412588, 70863637, 87216784, 98118882, 130825176, 141727274, 174433568, 196237764, 212590911, 261650352, 283454548, 392475528, 425181822, 523300704, 566909096, 637772733, 784951056, 850363644, 1133818192, 1275545466, 1569902112, 1700727288, 2267636384, 2551090932, 3401454576, 5102181864, 6802909152, 10204363728, 20408727456]

約数ペア:

[(1, 20408727456), (2, 10204363728), (3, 6802909152), (4, 5102181864), (6, 3401454576), (8, 2551090932), (9, 2267636384), (12, 1700727288), (13, 1569902112), (16, 1275545466), (18, 1133818192), (24, 850363644), (26, 784951056), (32, 637772733), (36, 566909096), (39, 523300704), (48, 425181822), (52, 392475528), (72, 283454548), (78, 261650352), (96, 212590911), (104, 196237764), (117, 174433568), (144, 141727274), (156, 130825176), (208, 98118882), (234, 87216784), (288, 70863637), (312, 65412588), (416, 49059441), (468, 43608392), (624, 32706294), (936, 21804196), (1248, 16353147), (1872, 10902098), (3744, 5451049)]