20794728

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{4787}}^1$

素因数の和:4977

約数の個数: 32

約数和(自身を含む): 52284960

約数和(自身を除く): 31490232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 362, 543, 724, 1086, 1448, 2172, 4344, 4787, 9574, 14361, 19148, 28722, 38296, 57444, 114888, 866447, 1732894, 2599341, 3465788, 5198682, 6931576, 10397364, 20794728]

約数ペア:

[(1, 20794728), (2, 10397364), (3, 6931576), (4, 5198682), (6, 3465788), (8, 2599341), (12, 1732894), (24, 866447), (181, 114888), (362, 57444), (543, 38296), (724, 28722), (1086, 19148), (1448, 14361), (2172, 9574), (4344, 4787)]