20317320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56437}}^1$

素因数の和:56454

約数の個数: 48

約数和(自身を含む): 66032460

約数和(自身を除く): 45715140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56437, 112874, 169311, 225748, 282185, 338622, 451496, 507933, 564370, 677244, 846555, 1015866, 1128740, 1354488, 1693110, 2031732, 2257480, 2539665, 3386220, 4063464, 5079330, 6772440, 10158660, 20317320]

約数ペア:

[(1, 20317320), (2, 10158660), (3, 6772440), (4, 5079330), (5, 4063464), (6, 3386220), (8, 2539665), (9, 2257480), (10, 2031732), (12, 1693110), (15, 1354488), (18, 1128740), (20, 1015866), (24, 846555), (30, 677244), (36, 564370), (40, 507933), (45, 451496), (60, 338622), (72, 282185), (90, 225748), (120, 169311), (180, 112874), (360, 56437)]