20887320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174061}}^1$

素因数の和:174075

約数の個数: 32

約数和(自身を含む): 62662320

約数和(自身を除く): 41775000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174061, 348122, 522183, 696244, 870305, 1044366, 1392488, 1740610, 2088732, 2610915, 3481220, 4177464, 5221830, 6962440, 10443660, 20887320]

約数ペア:

[(1, 20887320), (2, 10443660), (3, 6962440), (4, 5221830), (5, 4177464), (6, 3481220), (8, 2610915), (10, 2088732), (12, 1740610), (15, 1392488), (20, 1044366), (24, 870305), (30, 696244), (40, 522183), (60, 348122), (120, 174061)]