20131531798

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38863961}}^1$

素因数の和:38864007

約数の個数: 16

約数和(自身を含む): 35443933344

約数和(自身を除く): 15312401546

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38863961, 77727922, 272047727, 544095454, 1437966557, 2875933114, 10065765899, 20131531798]

約数ペア:

[(1, 20131531798), (2, 10065765899), (7, 2875933114), (14, 1437966557), (37, 544095454), (74, 272047727), (259, 77727922), (518, 38863961)]