20536438559

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{6121}}^1$

素因数の和:6400

約数の個数: 48

約数和(自身を含む): 26967165120

約数和(自身を除く): 6430726561

約数列:

[1, 7, 13, 23, 49, 91, 161, 229, 299, 637, 1127, 1603, 2093, 2977, 5267, 6121, 11221, 14651, 20839, 36869, 42847, 68471, 79573, 140783, 145873, 258083, 299929, 479297, 557011, 985481, 1401709, 1830179, 3355079, 3899077, 6898367, 9811963, 12811253, 18222217, 32239307, 68683741, 89678771, 127555519, 225675149, 419110991, 892888633, 1579726043, 2933776937, 20536438559]

約数ペア:

[(1, 20536438559), (7, 2933776937), (13, 1579726043), (23, 892888633), (49, 419110991), (91, 225675149), (161, 127555519), (229, 89678771), (299, 68683741), (637, 32239307), (1127, 18222217), (1603, 12811253), (2093, 9811963), (2977, 6898367), (5267, 3899077), (6121, 3355079), (11221, 1830179), (14651, 1401709), (20839, 985481), (36869, 557011), (42847, 479297), (68471, 299929), (79573, 258083), (140783, 145873)]