20333690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2294

約数の個数: 32

約数和(自身を含む): 39989376

約数和(自身を除く): 19655686

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2203, 4406, 4615, 9230, 11015, 22030, 28639, 57278, 143195, 156413, 286390, 312826, 782065, 1564130, 2033369, 4066738, 10166845, 20333690]

約数ペア:

[(1, 20333690), (2, 10166845), (5, 4066738), (10, 2033369), (13, 1564130), (26, 782065), (65, 312826), (71, 286390), (130, 156413), (142, 143195), (355, 57278), (710, 28639), (923, 22030), (1846, 11015), (2203, 9230), (4406, 4615)]