20204877

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1861}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 34320384

約数和(自身を除く): 14115507

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 1861, 3619, 5583, 10857, 13027, 20471, 39081, 61413, 87467, 143297, 262401, 429891, 612269, 962137, 1836807, 2886411, 6734959, 20204877]

約数ペア:

[(1, 20204877), (3, 6734959), (7, 2886411), (11, 1836807), (21, 962137), (33, 612269), (47, 429891), (77, 262401), (141, 143297), (231, 87467), (329, 61413), (517, 39081), (987, 20471), (1551, 13027), (1861, 10857), (3619, 5583)]