20682948

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 60117120

約数和(自身を除く): 39434172

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 102, 132, 143, 156, 187, 204, 221, 286, 374, 429, 442, 561, 572, 663, 709, 748, 858, 884, 1122, 1326, 1418, 1716, 2127, 2244, 2431, 2652, 2836, 4254, 4862, 7293, 7799, 8508, 9217, 9724, 12053, 14586, 15598, 18434, 23397, 24106, 27651, 29172, 31196, 36159, 36868, 46794, 48212, 55302, 72318, 93588, 101387, 110604, 132583, 144636, 156689, 202774, 265166, 304161, 313378, 397749, 405548, 470067, 530332, 608322, 626756, 795498, 940134, 1216644, 1590996, 1723579, 1880268, 3447158, 5170737, 6894316, 10341474, 20682948]

約数ペア:

[(1, 20682948), (2, 10341474), (3, 6894316), (4, 5170737), (6, 3447158), (11, 1880268), (12, 1723579), (13, 1590996), (17, 1216644), (22, 940134), (26, 795498), (33, 626756), (34, 608322), (39, 530332), (44, 470067), (51, 405548), (52, 397749), (66, 313378), (68, 304161), (78, 265166), (102, 202774), (132, 156689), (143, 144636), (156, 132583), (187, 110604), (204, 101387), (221, 93588), (286, 72318), (374, 55302), (429, 48212), (442, 46794), (561, 36868), (572, 36159), (663, 31196), (709, 29172), (748, 27651), (858, 24106), (884, 23397), (1122, 18434), (1326, 15598), (1418, 14586), (1716, 12053), (2127, 9724), (2244, 9217), (2431, 8508), (2652, 7799), (2836, 7293), (4254, 4862)]