20212497

素因数分解:

$3^5\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 30494464

約数和(自身を除く): 10281967

約数列:

[1, 3, 9, 27, 81, 223, 243, 373, 669, 1119, 2007, 3357, 6021, 10071, 18063, 30213, 54189, 83179, 90639, 249537, 748611, 2245833, 6737499, 20212497]

約数ペア:

[(1, 20212497), (3, 6737499), (9, 2245833), (27, 748611), (81, 249537), (223, 90639), (243, 83179), (373, 54189), (669, 30213), (1119, 18063), (2007, 10071), (3357, 6021)]