20887080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9161}}^1$

素因数の和:9194

約数の個数: 64

約数和(自身を含む): 65966400

約数和(自身を除く): 45079320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9161, 18322, 27483, 36644, 45805, 54966, 73288, 91610, 109932, 137415, 174059, 183220, 219864, 274830, 348118, 366440, 522177, 549660, 696236, 870295, 1044354, 1099320, 1392472, 1740590, 2088708, 2610885, 3481180, 4177416, 5221770, 6962360, 10443540, 20887080]

約数ペア:

[(1, 20887080), (2, 10443540), (3, 6962360), (4, 5221770), (5, 4177416), (6, 3481180), (8, 2610885), (10, 2088708), (12, 1740590), (15, 1392472), (19, 1099320), (20, 1044354), (24, 870295), (30, 696236), (38, 549660), (40, 522177), (57, 366440), (60, 348118), (76, 274830), (95, 219864), (114, 183220), (120, 174059), (152, 137415), (190, 109932), (228, 91610), (285, 73288), (380, 54966), (456, 45805), (570, 36644), (760, 27483), (1140, 18322), (2280, 9161)]