20565395

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2333}}^1$

素因数の和:2422

約数の個数: 16

約数和(自身を含む): 25879392

約数和(自身を除く): 5313997

約数列:

[1, 5, 41, 43, 205, 215, 1763, 2333, 8815, 11665, 95653, 100319, 478265, 501595, 4113079, 20565395]

約数ペア:

[(1, 20565395), (5, 4113079), (41, 501595), (43, 478265), (205, 100319), (215, 95653), (1763, 11665), (2333, 8815)]