20402424

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5783}}^1$

素因数の和:5809

約数の個数: 72

約数和(自身を含む): 64289160

約数和(自身を除く): 43886736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5783, 11566, 17349, 23132, 34698, 40481, 46264, 52047, 69396, 80962, 104094, 121443, 138792, 161924, 208188, 242886, 283367, 323848, 364329, 416376, 485772, 566734, 728658, 850101, 971544, 1133468, 1457316, 1700202, 2266936, 2550303, 2914632, 3400404, 5100606, 6800808, 10201212, 20402424]

約数ペア:

[(1, 20402424), (2, 10201212), (3, 6800808), (4, 5100606), (6, 3400404), (7, 2914632), (8, 2550303), (9, 2266936), (12, 1700202), (14, 1457316), (18, 1133468), (21, 971544), (24, 850101), (28, 728658), (36, 566734), (42, 485772), (49, 416376), (56, 364329), (63, 323848), (72, 283367), (84, 242886), (98, 208188), (126, 161924), (147, 138792), (168, 121443), (196, 104094), (252, 80962), (294, 69396), (392, 52047), (441, 46264), (504, 40481), (588, 34698), (882, 23132), (1176, 17349), (1764, 11566), (3528, 5783)]