1802020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8191}}^1$

素因数の和:8211

約数の個数: 24

約数和(自身を含む): 4128768

約数和(自身を除く): 2326748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8191, 16382, 32764, 40955, 81910, 90101, 163820, 180202, 360404, 450505, 901010, 1802020]

約数ペア:

[(1, 1802020), (2, 901010), (4, 450505), (5, 360404), (10, 180202), (11, 163820), (20, 90101), (22, 81910), (44, 40955), (55, 32764), (110, 16382), (220, 8191)]