20204976

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2251}}^1$

素因数の和:2290

約数の個数: 80

約数和(自身を含む): 60317568

約数和(自身を除く): 40112592

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2244, 2251, 2992, 4488, 4502, 6753, 8976, 9004, 13506, 18008, 24761, 27012, 36016, 38267, 49522, 54024, 74283, 76534, 99044, 108048, 114801, 148566, 153068, 198088, 229602, 297132, 306136, 396176, 420937, 459204, 594264, 612272, 841874, 918408, 1188528, 1262811, 1683748, 1836816, 2525622, 3367496, 5051244, 6734992, 10102488, 20204976]

約数ペア:

[(1, 20204976), (2, 10102488), (3, 6734992), (4, 5051244), (6, 3367496), (8, 2525622), (11, 1836816), (12, 1683748), (16, 1262811), (17, 1188528), (22, 918408), (24, 841874), (33, 612272), (34, 594264), (44, 459204), (48, 420937), (51, 396176), (66, 306136), (68, 297132), (88, 229602), (102, 198088), (132, 153068), (136, 148566), (176, 114801), (187, 108048), (204, 99044), (264, 76534), (272, 74283), (374, 54024), (408, 49522), (528, 38267), (561, 36016), (748, 27012), (816, 24761), (1122, 18008), (1496, 13506), (2244, 9004), (2251, 8976), (2992, 6753), (4488, 4502)]