20115704

素因数分解:

$2^3\times 7^1\times {\mathrm{359209}}^1$

素因数の和:359222

約数の個数: 16

約数和(自身を含む): 43105200

約数和(自身を除く): 22989496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359209, 718418, 1436836, 2514463, 2873672, 5028926, 10057852, 20115704]

約数ペア:

[(1, 20115704), (2, 10057852), (4, 5028926), (7, 2873672), (8, 2514463), (14, 1436836), (28, 718418), (56, 359209)]