20369385

素因数分解:

$3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1297}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 35435400

約数和(自身を除く): 15066015

約数列:

[1, 3, 5, 9, 15, 45, 349, 1047, 1297, 1745, 3141, 3891, 5235, 6485, 11673, 15705, 19455, 58365, 452653, 1357959, 2263265, 4073877, 6789795, 20369385]

約数ペア:

[(1, 20369385), (3, 6789795), (5, 4073877), (9, 2263265), (15, 1357959), (45, 452653), (349, 58365), (1047, 19455), (1297, 15705), (1745, 11673), (3141, 6485), (3891, 5235)]