20867769

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3023}}^1$

素因数の和:3101

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 12154311

約数列:

[1, 3, 9, 13, 39, 59, 117, 177, 531, 767, 2301, 3023, 6903, 9069, 27207, 39299, 117897, 178357, 353691, 535071, 1605213, 2318641, 6955923, 20867769]

約数ペア:

[(1, 20867769), (3, 6955923), (9, 2318641), (13, 1605213), (39, 535071), (59, 353691), (117, 178357), (177, 117897), (531, 39299), (767, 27207), (2301, 9069), (3023, 6903)]