20339925

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2633}}^1$

素因数の和:2749

約数の個数: 24

約数和(自身を含む): 33968064

約数和(自身を除く): 13628139

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 2633, 7725, 7899, 13165, 39495, 65825, 197475, 271199, 813597, 1355995, 4067985, 6779975, 20339925]

約数ペア:

[(1, 20339925), (3, 6779975), (5, 4067985), (15, 1355995), (25, 813597), (75, 271199), (103, 197475), (309, 65825), (515, 39495), (1545, 13165), (2575, 7899), (2633, 7725)]