20022305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4120

約数の個数: 16

約数和(自身を含む): 25660800

約数和(自身を除く): 5638495

約数列:

[1, 5, 23, 43, 115, 215, 989, 4049, 4945, 20245, 93127, 174107, 465635, 870535, 4004461, 20022305]

約数ペア:

[(1, 20022305), (5, 4004461), (23, 870535), (43, 465635), (115, 174107), (215, 93127), (989, 20245), (4049, 4945)]