20508852

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2683}}^1$

素因数の和:2717

約数の個数: 72

約数和(自身を含む): 59971296

約数和(自身を除く): 39462444

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2683, 3822, 5366, 7644, 8049, 10732, 16098, 18781, 32196, 34879, 37562, 56343, 69758, 75124, 104637, 112686, 131467, 139516, 209274, 225372, 244153, 262934, 394401, 418548, 488306, 525868, 732459, 788802, 976612, 1464918, 1577604, 1709071, 2929836, 3418142, 5127213, 6836284, 10254426, 20508852]

約数ペア:

[(1, 20508852), (2, 10254426), (3, 6836284), (4, 5127213), (6, 3418142), (7, 2929836), (12, 1709071), (13, 1577604), (14, 1464918), (21, 976612), (26, 788802), (28, 732459), (39, 525868), (42, 488306), (49, 418548), (52, 394401), (78, 262934), (84, 244153), (91, 225372), (98, 209274), (147, 139516), (156, 131467), (182, 112686), (196, 104637), (273, 75124), (294, 69758), (364, 56343), (546, 37562), (588, 34879), (637, 32196), (1092, 18781), (1274, 16098), (1911, 10732), (2548, 8049), (2683, 7644), (3822, 5366)]