20139557613

素因数分解:

$3^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{779063}}^1$

素因数の和:780304

約数の個数: 16

約数和(自身を含む): 30713819136

約数和(自身を除く): 10574261523

約数列:

[1, 3, 7, 21, 1231, 3693, 8617, 25851, 779063, 2337189, 5453441, 16360323, 959026553, 2877079659, 6713185871, 20139557613]

約数ペア:

[(1, 20139557613), (3, 6713185871), (7, 2877079659), (21, 959026553), (1231, 16360323), (3693, 5453441), (8617, 2337189), (25851, 779063)]