2021292020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{81307}}^1$

素因数の和:81440

約数の個数: 48

約数和(自身を含む): 4671632448

約数和(自身を除く): 2650340428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 6215, 12430, 24860, 81307, 162614, 325228, 406535, 813070, 894377, 1626140, 1788754, 3577508, 4471885, 8943770, 9187691, 17887540, 18375382, 36750764, 45938455, 91876910, 101064601, 183753820, 202129202, 404258404, 505323005, 1010646010, 2021292020]

約数ペア:

[(1, 2021292020), (2, 1010646010), (4, 505323005), (5, 404258404), (10, 202129202), (11, 183753820), (20, 101064601), (22, 91876910), (44, 45938455), (55, 36750764), (110, 18375382), (113, 17887540), (220, 9187691), (226, 8943770), (452, 4471885), (565, 3577508), (1130, 1788754), (1243, 1626140), (2260, 894377), (2486, 813070), (4972, 406535), (6215, 325228), (12430, 162614), (24860, 81307)]