20025969

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{617}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 27686400

約数和(自身を除く): 7660431

約数列:

[1, 3, 31, 93, 349, 617, 1047, 1851, 10819, 19127, 32457, 57381, 215333, 645999, 6675323, 20025969]

約数ペア:

[(1, 20025969), (3, 6675323), (31, 645999), (93, 215333), (349, 57381), (617, 32457), (1047, 19127), (1851, 10819)]