20243565

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19559}}^1$

素因数の和:19593

約数の個数: 24

約数和(自身を含む): 36616320

約数和(自身を除く): 16372755

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19559, 58677, 97795, 176031, 293385, 449857, 880155, 1349571, 2249285, 4048713, 6747855, 20243565]

約数ペア:

[(1, 20243565), (3, 6747855), (5, 4048713), (9, 2249285), (15, 1349571), (23, 880155), (45, 449857), (69, 293385), (115, 176031), (207, 97795), (345, 58677), (1035, 19559)]