20419432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4937}}^1$

素因数の和:5001

約数の個数: 32

約数和(自身を含む): 42664320

約数和(自身を除く): 22244888

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 4937, 9874, 19748, 39496, 54307, 108614, 217228, 232039, 434456, 464078, 928156, 1856312, 2552429, 5104858, 10209716, 20419432]

約数ペア:

[(1, 20419432), (2, 10209716), (4, 5104858), (8, 2552429), (11, 1856312), (22, 928156), (44, 464078), (47, 434456), (88, 232039), (94, 217228), (188, 108614), (376, 54307), (517, 39496), (1034, 19748), (2068, 9874), (4136, 4937)]