20320545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27647}}^1$

素因数の和:27669

約数の個数: 24

約数和(自身を含む): 37822464

約数和(自身を除く): 17501919

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27647, 82941, 138235, 193529, 414705, 580587, 967645, 1354703, 2902935, 4064109, 6773515, 20320545]

約数ペア:

[(1, 20320545), (3, 6773515), (5, 4064109), (7, 2902935), (15, 1354703), (21, 967645), (35, 580587), (49, 414705), (105, 193529), (147, 138235), (245, 82941), (735, 27647)]