20105123906

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1\times {\mathrm{94747}}^1$

素因数の和:95438

約数の個数: 32

約数和(自身を含む): 36019399680

約数和(自身を除く): 15914275774

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 659, 1318, 4613, 9226, 15157, 30314, 94747, 106099, 189494, 212198, 663229, 1326458, 2179181, 4358362, 15254267, 30508534, 62438273, 124876546, 437067911, 874135822, 1436080279, 2872160558, 10052561953, 20105123906]

約数ペア:

[(1, 20105123906), (2, 10052561953), (7, 2872160558), (14, 1436080279), (23, 874135822), (46, 437067911), (161, 124876546), (322, 62438273), (659, 30508534), (1318, 15254267), (4613, 4358362), (9226, 2179181), (15157, 1326458), (30314, 663229), (94747, 212198), (106099, 189494)]