20772577

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 24599680

約数和(自身を除く): 3827103

約数列:

[1, 7, 37, 139, 259, 577, 973, 4039, 5143, 21349, 36001, 80203, 149443, 561421, 2967511, 20772577]

約数ペア:

[(1, 20772577), (7, 2967511), (37, 561421), (139, 149443), (259, 80203), (577, 36001), (973, 21349), (4039, 5143)]