20526142

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3889}}^1$

素因数の和:3940

約数の個数: 32

約数和(自身を含む): 39211200

約数和(自身を除く): 18685058

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 3889, 5278, 7778, 27223, 50557, 54446, 101114, 112781, 225562, 353899, 707798, 789467, 1466153, 1578934, 2932306, 10263071, 20526142]

約数ペア:

[(1, 20526142), (2, 10263071), (7, 2932306), (13, 1578934), (14, 1466153), (26, 789467), (29, 707798), (58, 353899), (91, 225562), (182, 112781), (203, 101114), (377, 54446), (406, 50557), (754, 27223), (2639, 7778), (3889, 5278)]