20815676945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34984331}}^1$

素因数の和:34984360

約数の個数: 16

約数和(自身を含む): 30226462848

約数和(自身を除く): 9410785903

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34984331, 174921655, 244890317, 594733627, 1224451585, 2973668135, 4163135389, 20815676945]

約数ペア:

[(1, 20815676945), (5, 4163135389), (7, 2973668135), (17, 1224451585), (35, 594733627), (85, 244890317), (119, 174921655), (595, 34984331)]