20638854

素因数分解:

$2^1\times 3^3\times {\mathrm{229}}^1\times {\mathrm{1669}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 46092000

約数和(自身を除く): 25453146

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 229, 458, 687, 1374, 1669, 2061, 3338, 4122, 5007, 6183, 10014, 12366, 15021, 30042, 45063, 90126, 382201, 764402, 1146603, 2293206, 3439809, 6879618, 10319427, 20638854]

約数ペア:

[(1, 20638854), (2, 10319427), (3, 6879618), (6, 3439809), (9, 2293206), (18, 1146603), (27, 764402), (54, 382201), (229, 90126), (458, 45063), (687, 30042), (1374, 15021), (1669, 12366), (2061, 10014), (3338, 6183), (4122, 5007)]