20504253

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2399}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 14516547

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2399, 2849, 7197, 8547, 16793, 26389, 50379, 79167, 88763, 184723, 266289, 554169, 621341, 976393, 1864023, 2929179, 6834751, 20504253]

約数ペア:

[(1, 20504253), (3, 6834751), (7, 2929179), (11, 1864023), (21, 976393), (33, 621341), (37, 554169), (77, 266289), (111, 184723), (231, 88763), (259, 79167), (407, 50379), (777, 26389), (1221, 16793), (2399, 8547), (2849, 7197)]