20894168

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25357}}^1$

素因数の和:25466

約数の個数: 16

約数和(自身を含む): 39558480

約数和(自身を除く): 18664312

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25357, 50714, 101428, 202856, 2611771, 5223542, 10447084, 20894168]

約数ペア:

[(1, 20894168), (2, 10447084), (4, 5223542), (8, 2611771), (103, 202856), (206, 101428), (412, 50714), (824, 25357)]