20197911380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43908503}}^1$

素因数の和:43908535

約数の個数: 24

約数和(自身を含む): 44259772032

約数和(自身を除く): 24061860652

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43908503, 87817006, 175634012, 219542515, 439085030, 878170060, 1009895569, 2019791138, 4039582276, 5049477845, 10098955690, 20197911380]

約数ペア:

[(1, 20197911380), (2, 10098955690), (4, 5049477845), (5, 4039582276), (10, 2019791138), (20, 1009895569), (23, 878170060), (46, 439085030), (92, 219542515), (115, 175634012), (230, 87817006), (460, 43908503)]