20653650

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15299}}^1$

素因数の和:15320

約数の個数: 48

約数和(自身を含む): 56916000

約数和(自身を除く): 36262350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 15299, 30598, 45897, 76495, 91794, 137691, 152990, 229485, 275382, 382475, 413073, 458970, 688455, 764950, 826146, 1147425, 1376910, 2065365, 2294850, 3442275, 4130730, 6884550, 10326825, 20653650]

約数ペア:

[(1, 20653650), (2, 10326825), (3, 6884550), (5, 4130730), (6, 3442275), (9, 2294850), (10, 2065365), (15, 1376910), (18, 1147425), (25, 826146), (27, 764950), (30, 688455), (45, 458970), (50, 413073), (54, 382475), (75, 275382), (90, 229485), (135, 152990), (150, 137691), (225, 91794), (270, 76495), (450, 45897), (675, 30598), (1350, 15299)]