20407728078

素因数分解:

$2^1\times 3^2\times {\mathrm{40609}}^1\times {\mathrm{27919}}^1$

素因数の和:68536

約数の個数: 24

約数和(自身を含む): 44219416800

約数和(自身を除く): 23811688722

約数列:

[1, 2, 3, 6, 9, 18, 27919, 40609, 55838, 81218, 83757, 121827, 167514, 243654, 251271, 365481, 502542, 730962, 1133762671, 2267525342, 3401288013, 6802576026, 10203864039, 20407728078]

約数ペア:

[(1, 20407728078), (2, 10203864039), (3, 6802576026), (6, 3401288013), (9, 2267525342), (18, 1133762671), (27919, 730962), (40609, 502542), (55838, 365481), (81218, 251271), (83757, 243654), (121827, 167514)]