20609185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6553}}^1$

素因数の和:6612

約数の個数: 16

約数和(自身を含む): 26897616

約数和(自身を除く): 6288431

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6553, 32765, 111401, 242461, 557005, 1212305, 4121837, 20609185]

約数ペア:

[(1, 20609185), (5, 4121837), (17, 1212305), (37, 557005), (85, 242461), (185, 111401), (629, 32765), (3145, 6553)]