20219716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2927}}^1$

素因数の和:3099

約数の個数: 24

約数和(自身を含む): 38860416

約数和(自身を除く): 18640700

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 2927, 3454, 5854, 6908, 11708, 32197, 64394, 128788, 459539, 919078, 1838156, 5054929, 10109858, 20219716]

約数ペア:

[(1, 20219716), (2, 10109858), (4, 5054929), (11, 1838156), (22, 919078), (44, 459539), (157, 128788), (314, 64394), (628, 32197), (1727, 11708), (2927, 6908), (3454, 5854)]