20180378

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:869

約数の個数: 16

約数和(自身を含む): 30803136

約数和(自身を除く): 10622758

約数列:

[1, 2, 103, 163, 206, 326, 601, 1202, 16789, 33578, 61903, 97963, 123806, 195926, 10090189, 20180378]

約数ペア:

[(1, 20180378), (2, 10090189), (103, 195926), (163, 123806), (206, 97963), (326, 61903), (601, 33578), (1202, 16789)]