20586564

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^3\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 55560960

約数和(自身を除く): 34974396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 529, 564, 828, 846, 1058, 1081, 1587, 1692, 2116, 2162, 3174, 3243, 4324, 4761, 6348, 6486, 9522, 9729, 12167, 12972, 19044, 19458, 24334, 24863, 36501, 38916, 48668, 49726, 73002, 74589, 99452, 109503, 146004, 149178, 219006, 223767, 298356, 438012, 447534, 571849, 895068, 1143698, 1715547, 2287396, 3431094, 5146641, 6862188, 10293282, 20586564]

約数ペア:

[(1, 20586564), (2, 10293282), (3, 6862188), (4, 5146641), (6, 3431094), (9, 2287396), (12, 1715547), (18, 1143698), (23, 895068), (36, 571849), (46, 447534), (47, 438012), (69, 298356), (92, 223767), (94, 219006), (138, 149178), (141, 146004), (188, 109503), (207, 99452), (276, 74589), (282, 73002), (414, 49726), (423, 48668), (529, 38916), (564, 36501), (828, 24863), (846, 24334), (1058, 19458), (1081, 19044), (1587, 12972), (1692, 12167), (2116, 9729), (2162, 9522), (3174, 6486), (3243, 6348), (4324, 4761)]