20278024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194981}}^1$

素因数の和:195000

約数の個数: 16

約数和(自身を含む): 40946220

約数和(自身を除く): 20668196

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194981, 389962, 779924, 1559848, 2534753, 5069506, 10139012, 20278024]

約数ペア:

[(1, 20278024), (2, 10139012), (4, 5069506), (8, 2534753), (13, 1559848), (26, 779924), (52, 389962), (104, 194981)]