20116047

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 11679153

約数列:

[1, 3, 7, 21, 47, 89, 141, 229, 267, 329, 623, 687, 987, 1603, 1869, 4183, 4809, 10763, 12549, 20381, 29281, 32289, 61143, 75341, 87843, 142667, 226023, 428001, 957907, 2873721, 6705349, 20116047]

約数ペア:

[(1, 20116047), (3, 6705349), (7, 2873721), (21, 957907), (47, 428001), (89, 226023), (141, 142667), (229, 87843), (267, 75341), (329, 61143), (623, 32289), (687, 29281), (987, 20381), (1603, 12549), (1869, 10763), (4183, 4809)]