20098905

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13009}}^1$

素因数の和:13120

約数の個数: 16

約数和(自身を含む): 32472960

約数和(自身を除く): 12374055

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 13009, 39027, 65045, 195135, 1339927, 4019781, 6699635, 20098905]

約数ペア:

[(1, 20098905), (3, 6699635), (5, 4019781), (15, 1339927), (103, 195135), (309, 65045), (515, 39027), (1545, 13009)]