20121550852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{386952901}}^1$

素因数の和:386952918

約数の個数: 12

約数和(自身を含む): 37921384396

約数和(自身を除く): 17799833544

約数列:

[1, 2, 4, 13, 26, 52, 386952901, 773905802, 1547811604, 5030387713, 10060775426, 20121550852]

約数ペア:

[(1, 20121550852), (2, 10060775426), (4, 5030387713), (13, 1547811604), (26, 773905802), (52, 386952901)]