20429808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1542

約数の個数: 80

約数和(自身を含む): 61829376

約数和(自身を除く): 41399568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 82, 84, 112, 123, 164, 168, 246, 287, 328, 336, 492, 574, 656, 861, 984, 1148, 1483, 1722, 1968, 2296, 2966, 3444, 4449, 4592, 5932, 6888, 8898, 10381, 11864, 13776, 17796, 20762, 23728, 31143, 35592, 41524, 60803, 62286, 71184, 83048, 121606, 124572, 166096, 182409, 243212, 249144, 364818, 425621, 486424, 498288, 729636, 851242, 972848, 1276863, 1459272, 1702484, 2553726, 2918544, 3404968, 5107452, 6809936, 10214904, 20429808]

約数ペア:

[(1, 20429808), (2, 10214904), (3, 6809936), (4, 5107452), (6, 3404968), (7, 2918544), (8, 2553726), (12, 1702484), (14, 1459272), (16, 1276863), (21, 972848), (24, 851242), (28, 729636), (41, 498288), (42, 486424), (48, 425621), (56, 364818), (82, 249144), (84, 243212), (112, 182409), (123, 166096), (164, 124572), (168, 121606), (246, 83048), (287, 71184), (328, 62286), (336, 60803), (492, 41524), (574, 35592), (656, 31143), (861, 23728), (984, 20762), (1148, 17796), (1483, 13776), (1722, 11864), (1968, 10381), (2296, 8898), (2966, 6888), (3444, 5932), (4449, 4592)]