1902451220

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{62131}}^1$

素因数の和:63671

約数の個数: 24

約数和(自身を含む): 3997821408

約数和(自身を除く): 2095370188

約数列:

[1, 2, 4, 5, 10, 20, 1531, 3062, 6124, 7655, 15310, 30620, 62131, 124262, 248524, 310655, 621310, 1242620, 95122561, 190245122, 380490244, 475612805, 951225610, 1902451220]

約数ペア:

[(1, 1902451220), (2, 951225610), (4, 475612805), (5, 380490244), (10, 190245122), (20, 95122561), (1531, 1242620), (3062, 621310), (6124, 310655), (7655, 248524), (15310, 124262), (30620, 62131)]