20577238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8581}}^1$

素因数の和:8703

約数の個数: 16

約数和(自身を含む): 33984720

約数和(自身を除く): 13407482

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8581, 17162, 94391, 188782, 935329, 1870658, 10288619, 20577238]

約数ペア:

[(1, 20577238), (2, 10288619), (11, 1870658), (22, 935329), (109, 188782), (218, 94391), (1199, 17162), (2398, 8581)]