20426290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 38237760

約数和(自身を除く): 17811470

約数列:

[1, 2, 5, 10, 43, 67, 86, 134, 215, 335, 430, 670, 709, 1418, 2881, 3545, 5762, 7090, 14405, 28810, 30487, 47503, 60974, 95006, 152435, 237515, 304870, 475030, 2042629, 4085258, 10213145, 20426290]

約数ペア:

[(1, 20426290), (2, 10213145), (5, 4085258), (10, 2042629), (43, 475030), (67, 304870), (86, 237515), (134, 152435), (215, 95006), (335, 60974), (430, 47503), (670, 30487), (709, 28810), (1418, 14405), (2881, 7090), (3545, 5762)]