20873175

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1319}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 34700160

約数和(自身を除く): 13826985

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 1319, 3165, 3957, 5275, 6595, 15825, 19785, 32975, 98925, 278309, 834927, 1391545, 4174635, 6957725, 20873175]

約数ペア:

[(1, 20873175), (3, 6957725), (5, 4174635), (15, 1391545), (25, 834927), (75, 278309), (211, 98925), (633, 32975), (1055, 19785), (1319, 15825), (3165, 6595), (3957, 5275)]