20880147232

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{824911}}^1$

素因数の和:825041

約数の個数: 48

約数和(自身を含む): 47396143872

約数和(自身を除く): 26515996640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 791, 904, 1582, 1808, 3164, 3616, 6328, 12656, 25312, 824911, 1649822, 3299644, 5774377, 6599288, 11548754, 13198576, 23097508, 26397152, 46195016, 92390032, 93214943, 184780064, 186429886, 372859772, 652504601, 745719544, 1305009202, 1491439088, 2610018404, 2982878176, 5220036808, 10440073616, 20880147232]

約数ペア:

[(1, 20880147232), (2, 10440073616), (4, 5220036808), (7, 2982878176), (8, 2610018404), (14, 1491439088), (16, 1305009202), (28, 745719544), (32, 652504601), (56, 372859772), (112, 186429886), (113, 184780064), (224, 93214943), (226, 92390032), (452, 46195016), (791, 26397152), (904, 23097508), (1582, 13198576), (1808, 11548754), (3164, 6599288), (3616, 5774377), (6328, 3299644), (12656, 1649822), (25312, 824911)]