20705492

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 37340352

約数和(自身を除く): 16634860

約数列:

[1, 2, 4, 41, 82, 164, 251, 502, 503, 1004, 1006, 2012, 10291, 20582, 20623, 41164, 41246, 82492, 126253, 252506, 505012, 5176373, 10352746, 20705492]

約数ペア:

[(1, 20705492), (2, 10352746), (4, 5176373), (41, 505012), (82, 252506), (164, 126253), (251, 82492), (502, 41246), (503, 41164), (1004, 20623), (1006, 20582), (2012, 10291)]