20002025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 6246295

約数列:

[1, 5, 25, 29, 47, 145, 235, 587, 725, 1175, 1363, 2935, 6815, 14675, 17023, 27589, 34075, 85115, 137945, 425575, 689725, 800081, 4000405, 20002025]

約数ペア:

[(1, 20002025), (5, 4000405), (25, 800081), (29, 689725), (47, 425575), (145, 137945), (235, 85115), (587, 34075), (725, 27589), (1175, 17023), (1363, 14675), (2935, 6815)]