20817132

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3137}}^1$

素因数の和:3230

約数の個数: 48

約数和(自身を含む): 56232960

約数和(自身を除く): 35415828

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3137, 3318, 6274, 6636, 9411, 12548, 18822, 21959, 37644, 43918, 65877, 87836, 131754, 247823, 263508, 495646, 743469, 991292, 1486938, 1734761, 2973876, 3469522, 5204283, 6939044, 10408566, 20817132]

約数ペア:

[(1, 20817132), (2, 10408566), (3, 6939044), (4, 5204283), (6, 3469522), (7, 2973876), (12, 1734761), (14, 1486938), (21, 991292), (28, 743469), (42, 495646), (79, 263508), (84, 247823), (158, 131754), (237, 87836), (316, 65877), (474, 43918), (553, 37644), (948, 21959), (1106, 18822), (1659, 12548), (2212, 9411), (3137, 6636), (3318, 6274)]