2020178380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{11941}}^1$

素因数の和:12730

約数の個数: 48

約数和(自身を含む): 4634451360

約数和(自身を除く): 2614272980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 769, 1538, 3076, 3845, 7690, 8459, 11941, 15380, 16918, 23882, 33836, 42295, 47764, 59705, 84590, 119410, 131351, 169180, 238820, 262702, 525404, 656755, 1313510, 2627020, 9182629, 18365258, 36730516, 45913145, 91826290, 101008919, 183652580, 202017838, 404035676, 505044595, 1010089190, 2020178380]

約数ペア:

[(1, 2020178380), (2, 1010089190), (4, 505044595), (5, 404035676), (10, 202017838), (11, 183652580), (20, 101008919), (22, 91826290), (44, 45913145), (55, 36730516), (110, 18365258), (220, 9182629), (769, 2627020), (1538, 1313510), (3076, 656755), (3845, 525404), (7690, 262702), (8459, 238820), (11941, 169180), (15380, 131351), (16918, 119410), (23882, 84590), (33836, 59705), (42295, 47764)]