20147145

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10253}}^1$

素因数の和:10392

約数の個数: 16

約数和(自身を含む): 32484672

約数和(自身を除く): 12337527

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10253, 30759, 51265, 153795, 1343143, 4029429, 6715715, 20147145]

約数ペア:

[(1, 20147145), (3, 6715715), (5, 4029429), (15, 1343143), (131, 153795), (393, 51265), (655, 30759), (1965, 10253)]