20123170730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154793621}}^1$

素因数の和:154793641

約数の個数: 16

約数和(自身を含む): 39007992744

約数和(自身を除く): 18884822014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154793621, 309587242, 773968105, 1547936210, 2012317073, 4024634146, 10061585365, 20123170730]

約数ペア:

[(1, 20123170730), (2, 10061585365), (5, 4024634146), (10, 2012317073), (13, 1547936210), (26, 773968105), (65, 309587242), (130, 154793621)]