20080902121

素因数分解:

$7^2\times {\mathrm{647}}^1\times {\mathrm{633407}}^1$

素因数の和:634068

約数の個数: 12

約数和(自身を含む): 23395557888

約数和(自身を除く): 3314655767

約数列:

[1, 7, 49, 647, 4529, 31703, 633407, 4433849, 31036943, 409814329, 2868700303, 20080902121]

約数ペア:

[(1, 20080902121), (7, 2868700303), (49, 409814329), (647, 31036943), (4529, 4433849), (31703, 633407)]