20476799

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 24226368

約数和(自身を除く): 3749569

約数列:

[1, 7, 37, 173, 259, 457, 1211, 3199, 6401, 16909, 44807, 79061, 118363, 553427, 2925257, 20476799]

約数ペア:

[(1, 20476799), (7, 2925257), (37, 553427), (173, 118363), (259, 79061), (457, 44807), (1211, 16909), (3199, 6401)]