20069955

素因数分解:

$3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 34892208

約数和(自身を除く): 14822253

約数列:

[1, 3, 5, 9, 15, 45, 653, 683, 1959, 2049, 3265, 3415, 5877, 6147, 9795, 10245, 29385, 30735, 445999, 1337997, 2229995, 4013991, 6689985, 20069955]

約数ペア:

[(1, 20069955), (3, 6689985), (5, 4013991), (9, 2229995), (15, 1337997), (45, 445999), (653, 30735), (683, 29385), (1959, 10245), (2049, 9795), (3265, 6147), (3415, 5877)]