20344185

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9619}}^1$

素因数の和:9677

約数の個数: 24

約数和(自身を含む): 36017280

約数和(自身を除く): 15673095

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9619, 28857, 48095, 86571, 144285, 432855, 452093, 1356279, 2260465, 4068837, 6781395, 20344185]

約数ペア:

[(1, 20344185), (3, 6781395), (5, 4068837), (9, 2260465), (15, 1356279), (45, 452093), (47, 432855), (141, 144285), (235, 86571), (423, 48095), (705, 28857), (2115, 9619)]