20741139

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4373}}^1$

素因数の和:4427

約数の個数: 24

約数和(自身を含む): 32752512

約数和(自身を除く): 12011373

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4373, 4743, 13119, 39357, 74341, 135563, 223023, 406689, 669069, 1220067, 2304571, 6913713, 20741139]

約数ペア:

[(1, 20741139), (3, 6913713), (9, 2304571), (17, 1220067), (31, 669069), (51, 406689), (93, 223023), (153, 135563), (279, 74341), (527, 39357), (1581, 13119), (4373, 4743)]