20718416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41771}}^1$

素因数の和:41810

約数の個数: 20

約数和(自身を含む): 41437824

約数和(自身を除く): 20719408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41771, 83542, 167084, 334168, 668336, 1294901, 2589802, 5179604, 10359208, 20718416]

約数ペア:

[(1, 20718416), (2, 10359208), (4, 5179604), (8, 2589802), (16, 1294901), (31, 668336), (62, 334168), (124, 167084), (248, 83542), (496, 41771)]