20555416

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19319}}^1$

素因数の和:19351

約数の個数: 32

約数和(自身を含む): 46368000

約数和(自身を除く): 25812584

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19319, 38638, 77276, 135233, 154552, 270466, 367061, 540932, 734122, 1081864, 1468244, 2569427, 2936488, 5138854, 10277708, 20555416]

約数ペア:

[(1, 20555416), (2, 10277708), (4, 5138854), (7, 2936488), (8, 2569427), (14, 1468244), (19, 1081864), (28, 734122), (38, 540932), (56, 367061), (76, 270466), (133, 154552), (152, 135233), (266, 77276), (532, 38638), (1064, 19319)]