20211745

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 4609247

約数列:

[1, 5, 83, 113, 415, 431, 565, 2155, 9379, 35773, 46895, 48703, 178865, 243515, 4042349, 20211745]

約数ペア:

[(1, 20211745), (5, 4042349), (83, 243515), (113, 178865), (415, 48703), (431, 46895), (565, 35773), (2155, 9379)]