20964506

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1997}}^1$

素因数の和:2209

約数の個数: 16

約数和(自身を含む): 32727240

約数和(自身を除く): 11762734

約数列:

[1, 2, 29, 58, 181, 362, 1997, 3994, 5249, 10498, 57913, 115826, 361457, 722914, 10482253, 20964506]

約数ペア:

[(1, 20964506), (2, 10482253), (29, 722914), (58, 361457), (181, 115826), (362, 57913), (1997, 10498), (3994, 5249)]