20451410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15377}}^1$

素因数の和:15410

約数の個数: 32

約数和(自身を含む): 44288640

約数和(自身を除く): 23837230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15377, 30754, 76885, 107639, 153770, 215278, 292163, 538195, 584326, 1076390, 1460815, 2045141, 2921630, 4090282, 10225705, 20451410]

約数ペア:

[(1, 20451410), (2, 10225705), (5, 4090282), (7, 2921630), (10, 2045141), (14, 1460815), (19, 1076390), (35, 584326), (38, 538195), (70, 292163), (95, 215278), (133, 153770), (190, 107639), (266, 76885), (665, 30754), (1330, 15377)]