20341425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 37442048

約数和(自身を除く): 17100623

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 673, 775, 975, 1209, 2015, 2019, 2325, 3365, 6045, 8749, 10075, 10095, 16825, 20863, 26247, 30225, 43745, 50475, 62589, 104315, 131235, 218725, 271219, 312945, 521575, 656175, 813657, 1356095, 1564725, 4068285, 6780475, 20341425]

約数ペア:

[(1, 20341425), (3, 6780475), (5, 4068285), (13, 1564725), (15, 1356095), (25, 813657), (31, 656175), (39, 521575), (65, 312945), (75, 271219), (93, 218725), (155, 131235), (195, 104315), (325, 62589), (403, 50475), (465, 43745), (673, 30225), (775, 26247), (975, 20863), (1209, 16825), (2015, 10095), (2019, 10075), (2325, 8749), (3365, 6045)]