20900315

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 25777440

約数和(自身を除く): 4877125

約数列:

[1, 5, 67, 89, 335, 445, 701, 3505, 5963, 29815, 46967, 62389, 234835, 311945, 4180063, 20900315]

約数ペア:

[(1, 20900315), (5, 4180063), (67, 311945), (89, 234835), (335, 62389), (445, 46967), (701, 29815), (3505, 5963)]