20059004

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 41743296

約数和(自身を除く): 21684292

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 101, 164, 173, 202, 287, 346, 404, 574, 692, 707, 1148, 1211, 1414, 2422, 2828, 4141, 4844, 7093, 8282, 14186, 16564, 17473, 28372, 28987, 34946, 49651, 57974, 69892, 99302, 115948, 122311, 198604, 244622, 489244, 716393, 1432786, 2865572, 5014751, 10029502, 20059004]

約数ペア:

[(1, 20059004), (2, 10029502), (4, 5014751), (7, 2865572), (14, 1432786), (28, 716393), (41, 489244), (82, 244622), (101, 198604), (164, 122311), (173, 115948), (202, 99302), (287, 69892), (346, 57974), (404, 49651), (574, 34946), (692, 28987), (707, 28372), (1148, 17473), (1211, 16564), (1414, 14186), (2422, 8282), (2828, 7093), (4141, 4844)]