20968130

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3323}}^1$

素因数の和:3961

約数の個数: 16

約数和(自身を含む): 37813824

約数和(自身を除く): 16845694

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 3323, 6310, 6646, 16615, 33230, 2096813, 4193626, 10484065, 20968130]

約数ペア:

[(1, 20968130), (2, 10484065), (5, 4193626), (10, 2096813), (631, 33230), (1262, 16615), (3155, 6646), (3323, 6310)]