20385556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{773}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 37709280

約数和(自身を除く): 17323724

約数列:

[1, 2, 4, 19, 38, 76, 347, 694, 773, 1388, 1546, 3092, 6593, 13186, 14687, 26372, 29374, 58748, 268231, 536462, 1072924, 5096389, 10192778, 20385556]

約数ペア:

[(1, 20385556), (2, 10192778), (4, 5096389), (19, 1072924), (38, 536462), (76, 268231), (347, 58748), (694, 29374), (773, 26372), (1388, 14687), (1546, 13186), (3092, 6593)]