20863810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189671}}^1$

素因数の和:189689

約数の個数: 16

約数和(自身を含む): 40969152

約数和(自身を除く): 20105342

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189671, 379342, 948355, 1896710, 2086381, 4172762, 10431905, 20863810]

約数ペア:

[(1, 20863810), (2, 10431905), (5, 4172762), (10, 2086381), (11, 1896710), (22, 948355), (55, 379342), (110, 189671)]