20483918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3881}}^1$

素因数の和:3932

約数の個数: 32

約数和(自身を含む): 39130560

約数和(自身を除く): 18646642

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 3881, 5278, 7762, 27167, 50453, 54334, 100906, 112549, 225098, 353171, 706342, 787843, 1463137, 1575686, 2926274, 10241959, 20483918]

約数ペア:

[(1, 20483918), (2, 10241959), (7, 2926274), (13, 1575686), (14, 1463137), (26, 787843), (29, 706342), (58, 353171), (91, 225098), (182, 112549), (203, 100906), (377, 54334), (406, 50453), (754, 27167), (2639, 7762), (3881, 5278)]