20926438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2539}}^1$

素因数の和:2871

約数の個数: 16

約数和(自身を含む): 33924240

約数和(自身を除く): 12997802

約数列:

[1, 2, 13, 26, 317, 634, 2539, 4121, 5078, 8242, 33007, 66014, 804863, 1609726, 10463219, 20926438]

約数ペア:

[(1, 20926438), (2, 10463219), (13, 1609726), (26, 804863), (317, 66014), (634, 33007), (2539, 8242), (4121, 5078)]