20413228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9871}}^1$

素因数の和:9933

約数の個数: 24

約数和(自身を含む): 39803904

約数和(自身を除く): 19390676

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9871, 19742, 39484, 108581, 217162, 434324, 463937, 927874, 1855748, 5103307, 10206614, 20413228]

約数ペア:

[(1, 20413228), (2, 10206614), (4, 5103307), (11, 1855748), (22, 927874), (44, 463937), (47, 434324), (94, 217162), (188, 108581), (517, 39484), (1034, 19742), (2068, 9871)]