2021948990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{9811}}^1$

素因数の和:10412

約数の個数: 32

約数和(自身を含む): 3744965664

約数和(自身を除く): 1723016674

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 557, 1114, 2785, 5570, 9811, 19622, 20609, 41218, 49055, 98110, 103045, 206090, 363007, 726014, 1815035, 3630070, 5464727, 10929454, 27323635, 54647270, 202194899, 404389798, 1010974495, 2021948990]

約数ペア:

[(1, 2021948990), (2, 1010974495), (5, 404389798), (10, 202194899), (37, 54647270), (74, 27323635), (185, 10929454), (370, 5464727), (557, 3630070), (1114, 1815035), (2785, 726014), (5570, 363007), (9811, 206090), (19622, 103045), (20609, 98110), (41218, 49055)]