20993325

素因数分解:

$3^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{883}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 34857888

約数和(自身を除く): 13864563

約数列:

[1, 3, 5, 15, 25, 75, 317, 883, 951, 1585, 2649, 4415, 4755, 7925, 13245, 22075, 23775, 66225, 279911, 839733, 1399555, 4198665, 6997775, 20993325]

約数ペア:

[(1, 20993325), (3, 6997775), (5, 4198665), (15, 1399555), (25, 839733), (75, 279911), (317, 66225), (883, 23775), (951, 22075), (1585, 13245), (2649, 7925), (4415, 4755)]