20547138

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 22220862

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 263, 449, 526, 789, 898, 1347, 1578, 2694, 7627, 13021, 15254, 22881, 26042, 39063, 45762, 78126, 118087, 236174, 354261, 708522, 3424523, 6849046, 10273569, 20547138]

約数ペア:

[(1, 20547138), (2, 10273569), (3, 6849046), (6, 3424523), (29, 708522), (58, 354261), (87, 236174), (174, 118087), (263, 78126), (449, 45762), (526, 39063), (789, 26042), (898, 22881), (1347, 15254), (1578, 13021), (2694, 7627)]