20679568

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2029}}^1$

素因数の和:2064

約数の個数: 60

約数和(自身を含む): 50218140

約数和(自身を除く): 29538572

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2029, 2548, 4058, 5096, 8116, 10192, 14203, 16232, 26377, 28406, 32464, 52754, 56812, 99421, 105508, 113624, 184639, 198842, 211016, 227248, 369278, 397684, 422032, 738556, 795368, 1292473, 1477112, 1590736, 2584946, 2954224, 5169892, 10339784, 20679568]

約数ペア:

[(1, 20679568), (2, 10339784), (4, 5169892), (7, 2954224), (8, 2584946), (13, 1590736), (14, 1477112), (16, 1292473), (26, 795368), (28, 738556), (49, 422032), (52, 397684), (56, 369278), (91, 227248), (98, 211016), (104, 198842), (112, 184639), (182, 113624), (196, 105508), (208, 99421), (364, 56812), (392, 52754), (637, 32464), (728, 28406), (784, 26377), (1274, 16232), (1456, 14203), (2029, 10192), (2548, 8116), (4058, 5096)]