20558472

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1811}}^1$

素因数の和:1874

約数の個数: 64

約数和(自身を含む): 57404160

約数和(自身を除く): 36845688

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1811, 1892, 2838, 3622, 3784, 5433, 5676, 7244, 10866, 11352, 14488, 19921, 21732, 39842, 43464, 59763, 77873, 79684, 119526, 155746, 159368, 233619, 239052, 311492, 467238, 478104, 622984, 856603, 934476, 1713206, 1868952, 2569809, 3426412, 5139618, 6852824, 10279236, 20558472]

約数ペア:

[(1, 20558472), (2, 10279236), (3, 6852824), (4, 5139618), (6, 3426412), (8, 2569809), (11, 1868952), (12, 1713206), (22, 934476), (24, 856603), (33, 622984), (43, 478104), (44, 467238), (66, 311492), (86, 239052), (88, 233619), (129, 159368), (132, 155746), (172, 119526), (258, 79684), (264, 77873), (344, 59763), (473, 43464), (516, 39842), (946, 21732), (1032, 19921), (1419, 14488), (1811, 11352), (1892, 10866), (2838, 7244), (3622, 5676), (3784, 5433)]