20180778105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{58495009}}^1$

素因数の和:58495040

約数の個数: 16

約数和(自身を含む): 33693125760

約数和(自身を除く): 13512347655

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 58495009, 175485027, 292475045, 877425135, 1345385207, 4036155621, 6726926035, 20180778105]

約数ペア:

[(1, 20180778105), (3, 6726926035), (5, 4036155621), (15, 1345385207), (23, 877425135), (69, 292475045), (115, 175485027), (345, 58495009)]