20348775225

素因数分解:

$3^2\times 5^2\times {\mathrm{90439001}}^1$

素因数の和:90439017

約数の個数: 18

約数和(自身を含む): 36446917806

約数和(自身を除く): 16098142581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90439001, 271317003, 452195005, 813951009, 1356585015, 2260975025, 4069755045, 6782925075, 20348775225]

約数ペア:

[(1, 20348775225), (3, 6782925075), (5, 4069755045), (9, 2260975025), (15, 1356585015), (25, 813951009), (45, 452195005), (75, 271317003), (225, 90439001)]