20012476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2897}}^1$

素因数の和:3069

約数の個数: 24

約数和(自身を含む): 38462256

約数和(自身を除く): 18449780

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 2897, 3454, 5794, 6908, 11588, 31867, 63734, 127468, 454829, 909658, 1819316, 5003119, 10006238, 20012476]

約数ペア:

[(1, 20012476), (2, 10006238), (4, 5003119), (11, 1819316), (22, 909658), (44, 454829), (157, 127468), (314, 63734), (628, 31867), (1727, 11588), (2897, 6908), (3454, 5794)]