20090588

素因数分解:

$2^2\times 7^2\times {\mathrm{102503}}^1$

素因数の和:102521

約数の個数: 18

約数和(自身を含む): 40899096

約数和(自身を除く): 20808508

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102503, 205006, 410012, 717521, 1435042, 2870084, 5022647, 10045294, 20090588]

約数ペア:

[(1, 20090588), (2, 10045294), (4, 5022647), (7, 2870084), (14, 1435042), (28, 717521), (49, 410012), (98, 205006), (196, 102503)]