20649811

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6133}}^1$

素因数の和:6190

約数の個数: 16

約数和(自身を含む): 26106304

約数和(自身を除く): 5456493

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 6133, 42931, 79729, 226921, 558103, 1588447, 2949973, 20649811]

約数ペア:

[(1, 20649811), (7, 2949973), (13, 1588447), (37, 558103), (91, 226921), (259, 79729), (481, 42931), (3367, 6133)]