20917320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174311}}^1$

素因数の和:174325

約数の個数: 32

約数和(自身を含む): 62752320

約数和(自身を除く): 41835000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174311, 348622, 522933, 697244, 871555, 1045866, 1394488, 1743110, 2091732, 2614665, 3486220, 4183464, 5229330, 6972440, 10458660, 20917320]

約数ペア:

[(1, 20917320), (2, 10458660), (3, 6972440), (4, 5229330), (5, 4183464), (6, 3486220), (8, 2614665), (10, 2091732), (12, 1743110), (15, 1394488), (20, 1045866), (24, 871555), (30, 697244), (40, 522933), (60, 348622), (120, 174311)]