20155948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{947}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 37506672

約数和(自身を除く): 17350724

約数列:

[1, 2, 4, 17, 34, 68, 313, 626, 947, 1252, 1894, 3788, 5321, 10642, 16099, 21284, 32198, 64396, 296411, 592822, 1185644, 5038987, 10077974, 20155948]

約数ペア:

[(1, 20155948), (2, 10077974), (4, 5038987), (17, 1185644), (34, 592822), (68, 296411), (313, 64396), (626, 32198), (947, 21284), (1252, 16099), (1894, 10642), (3788, 5321)]