20400666

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 50595840

約数和(自身を除く): 30195174

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 59, 62, 66, 78, 93, 118, 143, 169, 177, 186, 286, 338, 341, 354, 403, 429, 507, 649, 682, 767, 806, 858, 1014, 1023, 1209, 1298, 1534, 1829, 1859, 1947, 2046, 2301, 2418, 3658, 3718, 3894, 4433, 4602, 5239, 5487, 5577, 8437, 8866, 9971, 10478, 10974, 11154, 13299, 15717, 16874, 19942, 20119, 23777, 25311, 26598, 29913, 31434, 40238, 47554, 50622, 57629, 59826, 60357, 71331, 109681, 115258, 120714, 142662, 172887, 219362, 261547, 309101, 329043, 345774, 523094, 618202, 658086, 784641, 927303, 1569282, 1854606, 3400111, 6800222, 10200333, 20400666]

約数ペア:

[(1, 20400666), (2, 10200333), (3, 6800222), (6, 3400111), (11, 1854606), (13, 1569282), (22, 927303), (26, 784641), (31, 658086), (33, 618202), (39, 523094), (59, 345774), (62, 329043), (66, 309101), (78, 261547), (93, 219362), (118, 172887), (143, 142662), (169, 120714), (177, 115258), (186, 109681), (286, 71331), (338, 60357), (341, 59826), (354, 57629), (403, 50622), (429, 47554), (507, 40238), (649, 31434), (682, 29913), (767, 26598), (806, 25311), (858, 23777), (1014, 20119), (1023, 19942), (1209, 16874), (1298, 15717), (1534, 13299), (1829, 11154), (1859, 10974), (1947, 10478), (2046, 9971), (2301, 8866), (2418, 8437), (3658, 5577), (3718, 5487), (3894, 5239), (4433, 4602)]