20178406784

素因数分解:

$2^7\times {\mathrm{2207}}^1\times {\mathrm{71429}}^1$

素因数の和:73650

約数の個数: 32

約数和(自身を含む): 40217947200

約数和(自身を除く): 20039540416

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 2207, 4414, 8828, 17656, 35312, 70624, 71429, 141248, 142858, 282496, 285716, 571432, 1142864, 2285728, 4571456, 9142912, 157643803, 315287606, 630575212, 1261150424, 2522300848, 5044601696, 10089203392, 20178406784]

約数ペア:

[(1, 20178406784), (2, 10089203392), (4, 5044601696), (8, 2522300848), (16, 1261150424), (32, 630575212), (64, 315287606), (128, 157643803), (2207, 9142912), (4414, 4571456), (8828, 2285728), (17656, 1142864), (35312, 571432), (70624, 285716), (71429, 282496), (141248, 142858)]