20282709

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 9484971

約数列:

[1, 3, 19, 47, 57, 67, 113, 141, 201, 339, 893, 1273, 2147, 2679, 3149, 3819, 5311, 6441, 7571, 9447, 15933, 22713, 59831, 100909, 143849, 179493, 302727, 355837, 431547, 1067511, 6760903, 20282709]

約数ペア:

[(1, 20282709), (3, 6760903), (19, 1067511), (47, 431547), (57, 355837), (67, 302727), (113, 179493), (141, 143849), (201, 100909), (339, 59831), (893, 22713), (1273, 15933), (2147, 9447), (2679, 7571), (3149, 6441), (3819, 5311)]