20427056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98207}}^1$

素因数の和:98228

約数の個数: 20

約数和(自身を含む): 42622272

約数和(自身を除く): 22195216

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98207, 196414, 392828, 785656, 1276691, 1571312, 2553382, 5106764, 10213528, 20427056]

約数ペア:

[(1, 20427056), (2, 10213528), (4, 5106764), (8, 2553382), (13, 1571312), (16, 1276691), (26, 785656), (52, 392828), (104, 196414), (208, 98207)]