20954675

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4129}}^1$

素因数の和:4175

約数の個数: 24

約数和(自身を含む): 30727200

約数和(自身を除く): 9772525

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 4129, 5075, 20645, 28903, 103225, 119741, 144515, 598705, 722575, 838187, 2993525, 4190935, 20954675]

約数ペア:

[(1, 20954675), (5, 4190935), (7, 2993525), (25, 838187), (29, 722575), (35, 598705), (145, 144515), (175, 119741), (203, 103225), (725, 28903), (1015, 20645), (4129, 5075)]