20495170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2437}}^1$

素因数の和:2502

約数の個数: 24

約数和(自身を含む): 38222964

約数和(自身を除く): 17727794

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2437, 4205, 4874, 8410, 12185, 24370, 70673, 141346, 353365, 706730, 2049517, 4099034, 10247585, 20495170]

約数ペア:

[(1, 20495170), (2, 10247585), (5, 4099034), (10, 2049517), (29, 706730), (58, 353365), (145, 141346), (290, 70673), (841, 24370), (1682, 12185), (2437, 8410), (4205, 4874)]