20621596

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1061}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 37288944

約数和(自身を除く): 16667348

約数列:

[1, 2, 4, 43, 86, 113, 172, 226, 452, 1061, 2122, 4244, 4859, 9718, 19436, 45623, 91246, 119893, 182492, 239786, 479572, 5155399, 10310798, 20621596]

約数ペア:

[(1, 20621596), (2, 10310798), (4, 5155399), (43, 479572), (86, 239786), (113, 182492), (172, 119893), (226, 91246), (452, 45623), (1061, 19436), (2122, 9718), (4244, 4859)]