20387412

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{2473}}^1$

素因数の和:2712

約数の個数: 36

約数和(自身を含む): 51780820

約数和(自身を除く): 31393408

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1374, 2061, 2473, 2748, 4122, 4946, 7419, 8244, 9892, 14838, 22257, 29676, 44514, 89028, 566317, 1132634, 1698951, 2265268, 3397902, 5096853, 6795804, 10193706, 20387412]

約数ペア:

[(1, 20387412), (2, 10193706), (3, 6795804), (4, 5096853), (6, 3397902), (9, 2265268), (12, 1698951), (18, 1132634), (36, 566317), (229, 89028), (458, 44514), (687, 29676), (916, 22257), (1374, 14838), (2061, 9892), (2473, 8244), (2748, 7419), (4122, 4946)]