20342925

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3931}}^1$

素因数の和:3970

約数の個数: 36

約数和(自身を含む): 38030304

約数和(自身を除く): 17687379

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 3931, 5175, 11793, 19655, 35379, 58965, 90413, 98275, 176895, 271239, 294825, 452065, 813717, 884475, 1356195, 2260325, 4068585, 6780975, 20342925]

約数ペア:

[(1, 20342925), (3, 6780975), (5, 4068585), (9, 2260325), (15, 1356195), (23, 884475), (25, 813717), (45, 452065), (69, 294825), (75, 271239), (115, 176895), (207, 98275), (225, 90413), (345, 58965), (575, 35379), (1035, 19655), (1725, 11793), (3931, 5175)]