20786802

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 46227456

約数和(自身を除く): 25440654

約数列:

[1, 2, 3, 6, 23, 31, 43, 46, 62, 69, 86, 93, 113, 129, 138, 186, 226, 258, 339, 678, 713, 989, 1333, 1426, 1978, 2139, 2599, 2666, 2967, 3503, 3999, 4278, 4859, 5198, 5934, 7006, 7797, 7998, 9718, 10509, 14577, 15594, 21018, 29154, 30659, 61318, 80569, 91977, 111757, 150629, 161138, 183954, 223514, 241707, 301258, 335271, 451887, 483414, 670542, 903774, 3464467, 6928934, 10393401, 20786802]

約数ペア:

[(1, 20786802), (2, 10393401), (3, 6928934), (6, 3464467), (23, 903774), (31, 670542), (43, 483414), (46, 451887), (62, 335271), (69, 301258), (86, 241707), (93, 223514), (113, 183954), (129, 161138), (138, 150629), (186, 111757), (226, 91977), (258, 80569), (339, 61318), (678, 30659), (713, 29154), (989, 21018), (1333, 15594), (1426, 14577), (1978, 10509), (2139, 9718), (2599, 7998), (2666, 7797), (2967, 7006), (3503, 5934), (3999, 5198), (4278, 4859)]