20643077

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6131}}^1$

素因数の和:6188

約数の個数: 16

約数和(自身を含む): 26097792

約数和(自身を除く): 5454715

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 6131, 42917, 79703, 226847, 557921, 1587929, 2949011, 20643077]

約数ペア:

[(1, 20643077), (7, 2949011), (13, 1587929), (37, 557921), (91, 226847), (259, 79703), (481, 42917), (3367, 6131)]