20893556

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 37246440

約数和(自身を除く): 16352884

約数列:

[1, 2, 4, 109, 173, 218, 277, 346, 436, 554, 692, 1108, 18857, 30193, 37714, 47921, 60386, 75428, 95842, 120772, 191684, 5223389, 10446778, 20893556]

約数ペア:

[(1, 20893556), (2, 10446778), (4, 5223389), (109, 191684), (173, 120772), (218, 95842), (277, 75428), (346, 60386), (436, 47921), (554, 37714), (692, 30193), (1108, 18857)]