20880832

素因数分解:

$2^6\times 7^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:513

約数の個数: 56

約数和(自身を含む): 47857664

約数和(自身を除く): 26976832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 224, 254, 367, 448, 508, 734, 889, 1016, 1468, 1778, 2032, 2569, 2936, 3556, 4064, 5138, 5872, 7112, 8128, 10276, 11744, 14224, 20552, 23488, 28448, 41104, 46609, 56896, 82208, 93218, 164416, 186436, 326263, 372872, 652526, 745744, 1305052, 1491488, 2610104, 2982976, 5220208, 10440416, 20880832]

約数ペア:

[(1, 20880832), (2, 10440416), (4, 5220208), (7, 2982976), (8, 2610104), (14, 1491488), (16, 1305052), (28, 745744), (32, 652526), (56, 372872), (64, 326263), (112, 186436), (127, 164416), (224, 93218), (254, 82208), (367, 56896), (448, 46609), (508, 41104), (734, 28448), (889, 23488), (1016, 20552), (1468, 14224), (1778, 11744), (2032, 10276), (2569, 8128), (2936, 7112), (3556, 5872), (4064, 5138)]