20344425

素因数分解:

$3^1\times 5^2\times {\mathrm{487}}^1\times {\mathrm{557}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 33765696

約数和(自身を除く): 13421271

約数列:

[1, 3, 5, 15, 25, 75, 487, 557, 1461, 1671, 2435, 2785, 7305, 8355, 12175, 13925, 36525, 41775, 271259, 813777, 1356295, 4068885, 6781475, 20344425]

約数ペア:

[(1, 20344425), (3, 6781475), (5, 4068885), (15, 1356295), (25, 813777), (75, 271259), (487, 41775), (557, 36525), (1461, 13925), (1671, 12175), (2435, 8355), (2785, 7305)]