20699354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21517}}^1$

素因数の和:21569

約数の個数: 16

約数和(自身を含む): 34342728

約数和(自身を除く): 13643374

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21517, 43034, 279721, 559442, 796129, 1592258, 10349677, 20699354]

約数ペア:

[(1, 20699354), (2, 10349677), (13, 1592258), (26, 796129), (37, 559442), (74, 279721), (481, 43034), (962, 21517)]