20591888

素因数分解:

$2^4\times {\mathrm{1061}}^1\times {\mathrm{1213}}^1$

素因数の和:2282

約数の個数: 20

約数和(自身を含む): 39967308

約数和(自身を除く): 19375420

約数列:

[1, 2, 4, 8, 16, 1061, 1213, 2122, 2426, 4244, 4852, 8488, 9704, 16976, 19408, 1286993, 2573986, 5147972, 10295944, 20591888]

約数ペア:

[(1, 20591888), (2, 10295944), (4, 5147972), (8, 2573986), (16, 1286993), (1061, 19408), (1213, 16976), (2122, 9704), (2426, 8488), (4244, 4852)]