20393574

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 45681600

約数和(自身を除く): 25288026

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 289, 323, 578, 619, 646, 867, 969, 1238, 1734, 1857, 1938, 3714, 5491, 10523, 10982, 11761, 16473, 21046, 23522, 31569, 32946, 35283, 63138, 70566, 178891, 199937, 357782, 399874, 536673, 599811, 1073346, 1199622, 3398929, 6797858, 10196787, 20393574]

約数ペア:

[(1, 20393574), (2, 10196787), (3, 6797858), (6, 3398929), (17, 1199622), (19, 1073346), (34, 599811), (38, 536673), (51, 399874), (57, 357782), (102, 199937), (114, 178891), (289, 70566), (323, 63138), (578, 35283), (619, 32946), (646, 31569), (867, 23522), (969, 21046), (1238, 16473), (1734, 11761), (1857, 10982), (1938, 10523), (3714, 5491)]