20774485

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 25510464

約数和(自身を除く): 4735979

約数列:

[1, 5, 83, 113, 415, 443, 565, 2215, 9379, 36769, 46895, 50059, 183845, 250295, 4154897, 20774485]

約数ペア:

[(1, 20774485), (5, 4154897), (83, 250295), (113, 183845), (415, 50059), (443, 46895), (565, 36769), (2215, 9379)]