63720845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20261}}^1$

素因数の和:20320

約数の個数: 16

約数和(自身を含む): 83155248

約数和(自身を除く): 19434403

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 20261, 101305, 344437, 749657, 1722185, 3748285, 12744169, 63720845]

約数ペア:

[(1, 63720845), (5, 12744169), (17, 3748285), (37, 1722185), (85, 749657), (185, 344437), (629, 101305), (3145, 20261)]