20045361

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7177}}^1$

素因数の和:7213

約数の個数: 24

約数和(自身を含む): 32731680

約数和(自身を除く): 12686319

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7177, 21531, 50239, 136363, 150717, 351673, 409089, 954541, 1055019, 2863623, 6681787, 20045361]

約数ペア:

[(1, 20045361), (3, 6681787), (7, 2863623), (19, 1055019), (21, 954541), (49, 409089), (57, 351673), (133, 150717), (147, 136363), (399, 50239), (931, 21531), (2793, 7177)]