20212777

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 2285783

約数列:

[1, 13, 61, 71, 359, 793, 923, 4331, 4667, 21899, 25489, 56303, 284687, 331357, 1554829, 20212777]

約数ペア:

[(1, 20212777), (13, 1554829), (61, 331357), (71, 284687), (359, 56303), (793, 25489), (923, 21899), (4331, 4667)]