20030360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71537}}^1$

素因数の和:71555

約数の個数: 32

約数和(自身を含む): 51507360

約数和(自身を除く): 31477000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71537, 143074, 286148, 357685, 500759, 572296, 715370, 1001518, 1430740, 2003036, 2503795, 2861480, 4006072, 5007590, 10015180, 20030360]

約数ペア:

[(1, 20030360), (2, 10015180), (4, 5007590), (5, 4006072), (7, 2861480), (8, 2503795), (10, 2003036), (14, 1430740), (20, 1001518), (28, 715370), (35, 572296), (40, 500759), (56, 357685), (70, 286148), (140, 143074), (280, 71537)]