20944685

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{829}}^1$

素因数の和:1028

約数の個数: 16

約数和(自身を含む): 26135040

約数和(自身を除く): 5190355

約数列:

[1, 5, 31, 155, 163, 815, 829, 4145, 5053, 25265, 25699, 128495, 135127, 675635, 4188937, 20944685]

約数ペア:

[(1, 20944685), (5, 4188937), (31, 675635), (155, 135127), (163, 128495), (815, 25699), (829, 25265), (4145, 5053)]