20956716

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:332

約数の個数: 108

約数和(自身を含む): 61870536

約数和(自身を除く): 40913820

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 121, 132, 153, 187, 198, 204, 242, 283, 306, 363, 374, 396, 484, 561, 566, 612, 726, 748, 849, 1089, 1122, 1132, 1452, 1683, 1698, 2057, 2178, 2244, 2547, 3113, 3366, 3396, 4114, 4356, 4811, 5094, 6171, 6226, 6732, 8228, 9339, 9622, 10188, 12342, 12452, 14433, 18513, 18678, 19244, 24684, 28017, 28866, 34243, 37026, 37356, 43299, 52921, 56034, 57732, 68486, 74052, 86598, 102729, 105842, 112068, 136972, 158763, 173196, 205458, 211684, 308187, 317526, 410916, 476289, 582131, 616374, 635052, 952578, 1164262, 1232748, 1746393, 1905156, 2328524, 3492786, 5239179, 6985572, 10478358, 20956716]

約数ペア:

[(1, 20956716), (2, 10478358), (3, 6985572), (4, 5239179), (6, 3492786), (9, 2328524), (11, 1905156), (12, 1746393), (17, 1232748), (18, 1164262), (22, 952578), (33, 635052), (34, 616374), (36, 582131), (44, 476289), (51, 410916), (66, 317526), (68, 308187), (99, 211684), (102, 205458), (121, 173196), (132, 158763), (153, 136972), (187, 112068), (198, 105842), (204, 102729), (242, 86598), (283, 74052), (306, 68486), (363, 57732), (374, 56034), (396, 52921), (484, 43299), (561, 37356), (566, 37026), (612, 34243), (726, 28866), (748, 28017), (849, 24684), (1089, 19244), (1122, 18678), (1132, 18513), (1452, 14433), (1683, 12452), (1698, 12342), (2057, 10188), (2178, 9622), (2244, 9339), (2547, 8228), (3113, 6732), (3366, 6226), (3396, 6171), (4114, 5094), (4356, 4811)]