20258865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40927}}^1$

素因数の和:40949

約数の個数: 24

約数和(自身を含む): 38308608

約数和(自身を除く): 18049743

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40927, 122781, 204635, 368343, 450197, 613905, 1350591, 1841715, 2250985, 4051773, 6752955, 20258865]

約数ペア:

[(1, 20258865), (3, 6752955), (5, 4051773), (9, 2250985), (11, 1841715), (15, 1350591), (33, 613905), (45, 450197), (55, 368343), (99, 204635), (165, 122781), (495, 40927)]