20213608891

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1\times {\mathrm{1279}}^1$

素因数の和:2419

約数の個数: 32

約数和(自身を含む): 24153292800

約数和(自身を除く): 3939683909

約数列:

[1, 7, 41, 53, 287, 371, 1039, 1279, 2173, 7273, 8953, 15211, 42599, 52439, 55067, 67787, 298193, 367073, 385469, 474509, 1328881, 2257747, 2779267, 9302167, 15804229, 19454869, 54484121, 70430693, 381388847, 493014851, 2887658413, 20213608891]

約数ペア:

[(1, 20213608891), (7, 2887658413), (41, 493014851), (53, 381388847), (287, 70430693), (371, 54484121), (1039, 19454869), (1279, 15804229), (2173, 9302167), (7273, 2779267), (8953, 2257747), (15211, 1328881), (42599, 474509), (52439, 385469), (55067, 367073), (67787, 298193)]