2020190690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{1307}}^1$

素因数の和:1703

約数の個数: 64

約数和(自身を含む): 4231139328

約数和(自身を除く): 2210948638

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 311, 355, 497, 622, 710, 994, 1307, 1555, 2177, 2485, 2614, 3110, 4354, 4970, 6535, 9149, 10885, 13070, 18298, 21770, 22081, 44162, 45745, 91490, 92797, 110405, 154567, 185594, 220810, 309134, 406477, 463985, 649579, 772835, 812954, 927970, 1299158, 1545670, 2032385, 2845339, 3247895, 4064770, 5690678, 6495790, 14226695, 28453390, 28859867, 57719734, 144299335, 202019069, 288598670, 404038138, 1010095345, 2020190690]

約数ペア:

[(1, 2020190690), (2, 1010095345), (5, 404038138), (7, 288598670), (10, 202019069), (14, 144299335), (35, 57719734), (70, 28859867), (71, 28453390), (142, 14226695), (311, 6495790), (355, 5690678), (497, 4064770), (622, 3247895), (710, 2845339), (994, 2032385), (1307, 1545670), (1555, 1299158), (2177, 927970), (2485, 812954), (2614, 772835), (3110, 649579), (4354, 463985), (4970, 406477), (6535, 309134), (9149, 220810), (10885, 185594), (13070, 154567), (18298, 110405), (21770, 92797), (22081, 91490), (44162, 45745)]