20306775

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{3709}}^1$

素因数の和:3795

約数の個数: 24

約数和(自身を含む): 34042960

約数和(自身を除く): 13736185

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 1095, 1825, 3709, 5475, 11127, 18545, 55635, 92725, 270757, 278175, 812271, 1353785, 4061355, 6768925, 20306775]

約数ペア:

[(1, 20306775), (3, 6768925), (5, 4061355), (15, 1353785), (25, 812271), (73, 278175), (75, 270757), (219, 92725), (365, 55635), (1095, 18545), (1825, 11127), (3709, 5475)]