29310220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20641}}^1$

素因数の和:20721

約数の個数: 24

約数和(自身を含む): 62421408

約数和(自身を除く): 33111188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 20641, 41282, 82564, 103205, 206410, 412820, 1465511, 2931022, 5862044, 7327555, 14655110, 29310220]

約数ペア:

[(1, 29310220), (2, 14655110), (4, 7327555), (5, 5862044), (10, 2931022), (20, 1465511), (71, 412820), (142, 206410), (284, 103205), (355, 82564), (710, 41282), (1420, 20641)]