20454953168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98341121}}^1$

素因数の和:98341142

約数の個数: 20

約数和(自身を含む): 42680046948

約数和(自身を除く): 22225093780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98341121, 196682242, 393364484, 786728968, 1278434573, 1573457936, 2556869146, 5113738292, 10227476584, 20454953168]

約数ペア:

[(1, 20454953168), (2, 10227476584), (4, 5113738292), (8, 2556869146), (13, 1573457936), (16, 1278434573), (26, 786728968), (52, 393364484), (104, 196682242), (208, 98341121)]