2001340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{827}}^1$

素因数の和:858

約数の個数: 36

約数和(自身を含む): 4625208

約数和(自身を除く): 2623868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 827, 1210, 1654, 2420, 3308, 4135, 8270, 9097, 16540, 18194, 36388, 45485, 90970, 100067, 181940, 200134, 400268, 500335, 1000670, 2001340]

約数ペア:

[(1, 2001340), (2, 1000670), (4, 500335), (5, 400268), (10, 200134), (11, 181940), (20, 100067), (22, 90970), (44, 45485), (55, 36388), (110, 18194), (121, 16540), (220, 9097), (242, 8270), (484, 4135), (605, 3308), (827, 2420), (1210, 1654)]