20490717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5101}}^1$

素因数の和:5220

約数の個数: 16

約数和(自身を含む): 29714048

約数和(自身を除く): 9223331

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 5101, 15303, 66313, 198939, 525403, 1576209, 6830239, 20490717]

約数ペア:

[(1, 20490717), (3, 6830239), (13, 1576209), (39, 525403), (103, 198939), (309, 66313), (1339, 15303), (4017, 5101)]