20959064

素因数分解:

$2^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 46183680

約数和(自身を除く): 25224616

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 127, 196, 254, 392, 421, 508, 842, 889, 1016, 1684, 1778, 2947, 3368, 3556, 5894, 6223, 7112, 11788, 12446, 20629, 23576, 24892, 41258, 49784, 53467, 82516, 106934, 165032, 213868, 374269, 427736, 748538, 1497076, 2619883, 2994152, 5239766, 10479532, 20959064]

約数ペア:

[(1, 20959064), (2, 10479532), (4, 5239766), (7, 2994152), (8, 2619883), (14, 1497076), (28, 748538), (49, 427736), (56, 374269), (98, 213868), (127, 165032), (196, 106934), (254, 82516), (392, 53467), (421, 49784), (508, 41258), (842, 24892), (889, 23576), (1016, 20629), (1684, 12446), (1778, 11788), (2947, 7112), (3368, 6223), (3556, 5894)]