20086890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4817}}^1$

素因数の和:4966

約数の個数: 32

約数和(自身を含む): 48565440

約数和(自身を除く): 28478550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4817, 9634, 14451, 24085, 28902, 48170, 72255, 144510, 669563, 1339126, 2008689, 3347815, 4017378, 6695630, 10043445, 20086890]

約数ペア:

[(1, 20086890), (2, 10043445), (3, 6695630), (5, 4017378), (6, 3347815), (10, 2008689), (15, 1339126), (30, 669563), (139, 144510), (278, 72255), (417, 48170), (695, 28902), (834, 24085), (1390, 14451), (2085, 9634), (4170, 4817)]