20170668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2203}}^1$

素因数の和:2326

約数の個数: 48

約数和(自身を含む): 54306560

約数和(自身を除く): 34135892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2203, 2289, 3052, 4406, 4578, 6609, 8812, 9156, 13218, 15421, 26436, 30842, 46263, 61684, 92526, 185052, 240127, 480254, 720381, 960508, 1440762, 1680889, 2881524, 3361778, 5042667, 6723556, 10085334, 20170668]

約数ペア:

[(1, 20170668), (2, 10085334), (3, 6723556), (4, 5042667), (6, 3361778), (7, 2881524), (12, 1680889), (14, 1440762), (21, 960508), (28, 720381), (42, 480254), (84, 240127), (109, 185052), (218, 92526), (327, 61684), (436, 46263), (654, 30842), (763, 26436), (1308, 15421), (1526, 13218), (2203, 9156), (2289, 8812), (3052, 6609), (4406, 4578)]