20590115

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^2$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 31104144

約数和(自身を除く): 10514029

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 169, 295, 413, 455, 767, 845, 1183, 2065, 3481, 3835, 5369, 5915, 9971, 17405, 24367, 26845, 45253, 49855, 69797, 121835, 226265, 316771, 348985, 588289, 1583855, 2941445, 4118023, 20590115]

約数ペア:

[(1, 20590115), (5, 4118023), (7, 2941445), (13, 1583855), (35, 588289), (59, 348985), (65, 316771), (91, 226265), (169, 121835), (295, 69797), (413, 49855), (455, 45253), (767, 26845), (845, 24367), (1183, 17405), (2065, 9971), (3481, 5915), (3835, 5369)]