200021045

素因数分解:

$5^1\times 7^1\times {\mathrm{1867}}^1\times {\mathrm{3061}}^1$

素因数の和:4940

約数の個数: 16

約数和(自身を含む): 274551168

約数和(自身を除く): 74530123

約数列:

[1, 5, 7, 35, 1867, 3061, 9335, 13069, 15305, 21427, 65345, 107135, 5714887, 28574435, 40004209, 200021045]

約数ペア:

[(1, 200021045), (5, 40004209), (7, 28574435), (35, 5714887), (1867, 107135), (3061, 65345), (9335, 21427), (13069, 15305)]