12020025

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 20033440

約数和(自身を除く): 8013415

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 1153, 2085, 3459, 3475, 5765, 10425, 17295, 28825, 86475, 160267, 480801, 801335, 2404005, 4006675, 12020025]

約数ペア:

[(1, 12020025), (3, 4006675), (5, 2404005), (15, 801335), (25, 480801), (75, 160267), (139, 86475), (417, 28825), (695, 17295), (1153, 10425), (2085, 5765), (3459, 3475)]