20168072918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1151}}^1\times {\mathrm{3467}}^1$

素因数の和:4665

約数の個数: 48

約数和(自身を含む): 36531523584

約数和(自身を除く): 16363450666

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 1151, 2302, 2527, 3467, 5054, 6934, 8057, 16114, 21869, 24269, 43738, 48538, 65873, 131746, 153083, 306166, 415511, 461111, 831022, 922222, 1251587, 2503174, 2908577, 3990517, 5817154, 7981034, 8761109, 17522218, 27933619, 55867238, 75819823, 151639646, 530738761, 1061477522, 1440576637, 2881153274, 10084036459, 20168072918]

約数ペア:

[(1, 20168072918), (2, 10084036459), (7, 2881153274), (14, 1440576637), (19, 1061477522), (38, 530738761), (133, 151639646), (266, 75819823), (361, 55867238), (722, 27933619), (1151, 17522218), (2302, 8761109), (2527, 7981034), (3467, 5817154), (5054, 3990517), (6934, 2908577), (8057, 2503174), (16114, 1251587), (21869, 922222), (24269, 831022), (43738, 461111), (48538, 415511), (65873, 306166), (131746, 153083)]