20587204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1619}}^1$

素因数の和:1668

約数の個数: 36

約数和(自身を含む): 41776560

約数和(自身を除く): 21189356

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1619, 3179, 3238, 6358, 6476, 12716, 17809, 27523, 35618, 55046, 71236, 110092, 302753, 467891, 605506, 935782, 1211012, 1871564, 5146801, 10293602, 20587204]

約数ペア:

[(1, 20587204), (2, 10293602), (4, 5146801), (11, 1871564), (17, 1211012), (22, 935782), (34, 605506), (44, 467891), (68, 302753), (187, 110092), (289, 71236), (374, 55046), (578, 35618), (748, 27523), (1156, 17809), (1619, 12716), (3179, 6476), (3238, 6358)]