20218914

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4271}}^1$

素因数の和:4542

約数の個数: 24

約数和(自身を含む): 43984512

約数和(自身を除く): 23765598

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4271, 4734, 8542, 12813, 25626, 38439, 76878, 1123273, 2246546, 3369819, 6739638, 10109457, 20218914]

約数ペア:

[(1, 20218914), (2, 10109457), (3, 6739638), (6, 3369819), (9, 2246546), (18, 1123273), (263, 76878), (526, 38439), (789, 25626), (1578, 12813), (2367, 8542), (4271, 4734)]