20525745

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19273}}^1$

素因数の和:19352

約数の個数: 16

約数和(自身を含む): 33305472

約数和(自身を除く): 12779727

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19273, 57819, 96365, 289095, 1368383, 4105149, 6841915, 20525745]

約数ペア:

[(1, 20525745), (3, 6841915), (5, 4105149), (15, 1368383), (71, 289095), (213, 96365), (355, 57819), (1065, 19273)]