164162020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{746191}}^1$

素因数の和:746211

約数の個数: 24

約数和(自身を含む): 376080768

約数和(自身を除く): 211918748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 746191, 1492382, 2984764, 3730955, 7461910, 8208101, 14923820, 16416202, 32832404, 41040505, 82081010, 164162020]

約数ペア:

[(1, 164162020), (2, 82081010), (4, 41040505), (5, 32832404), (10, 16416202), (11, 14923820), (20, 8208101), (22, 7461910), (44, 3730955), (55, 2984764), (110, 1492382), (220, 746191)]