20247788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9791}}^1$

素因数の和:9853

約数の個数: 24

約数和(自身を含む): 39481344

約数和(自身を除く): 19233556

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9791, 19582, 39164, 107701, 215402, 430804, 460177, 920354, 1840708, 5061947, 10123894, 20247788]

約数ペア:

[(1, 20247788), (2, 10123894), (4, 5061947), (11, 1840708), (22, 920354), (44, 460177), (47, 430804), (94, 215402), (188, 107701), (517, 39164), (1034, 19582), (2068, 9791)]