20057445

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23459}}^1$

素因数の和:23489

約数の個数: 24

約数和(自身を含む): 36597600

約数和(自身を除く): 16540155

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23459, 70377, 117295, 211131, 351885, 445721, 1055655, 1337163, 2228605, 4011489, 6685815, 20057445]

約数ペア:

[(1, 20057445), (3, 6685815), (5, 4011489), (9, 2228605), (15, 1337163), (19, 1055655), (45, 445721), (57, 351885), (95, 211131), (171, 117295), (285, 70377), (855, 23459)]