20173820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53089}}^1$

素因数の和:53117

約数の個数: 24

約数和(自身を含む): 44595600

約数和(自身を除く): 24421780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53089, 106178, 212356, 265445, 530890, 1008691, 1061780, 2017382, 4034764, 5043455, 10086910, 20173820]

約数ペア:

[(1, 20173820), (2, 10086910), (4, 5043455), (5, 4034764), (10, 2017382), (19, 1061780), (20, 1008691), (38, 530890), (76, 265445), (95, 212356), (190, 106178), (380, 53089)]