20123852570

素因数分解:

$2^1\times 5^1\times {\mathrm{6491}}^1\times {\mathrm{310027}}^1$

素因数の和:316525

約数の個数: 16

約数和(自身を含む): 36228631968

約数和(自身を除く): 16104779398

約数列:

[1, 2, 5, 10, 6491, 12982, 32455, 64910, 310027, 620054, 1550135, 3100270, 2012385257, 4024770514, 10061926285, 20123852570]

約数ペア:

[(1, 20123852570), (2, 10061926285), (5, 4024770514), (10, 2012385257), (6491, 3100270), (12982, 1550135), (32455, 620054), (64910, 310027)]