20468172

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39667}}^1$

素因数の和:39717

約数の個数: 24

約数和(自身を含む): 48870976

約数和(自身を除く): 28402804

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39667, 79334, 119001, 158668, 238002, 476004, 1705681, 3411362, 5117043, 6822724, 10234086, 20468172]

約数ペア:

[(1, 20468172), (2, 10234086), (3, 6822724), (4, 5117043), (6, 3411362), (12, 1705681), (43, 476004), (86, 238002), (129, 158668), (172, 119001), (258, 79334), (516, 39667)]