20573072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98909}}^1$

素因数の和:98930

約数の個数: 20

約数和(自身を含む): 42926940

約数和(自身を除く): 22353868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98909, 197818, 395636, 791272, 1285817, 1582544, 2571634, 5143268, 10286536, 20573072]

約数ペア:

[(1, 20573072), (2, 10286536), (4, 5143268), (8, 2571634), (13, 1582544), (16, 1285817), (26, 791272), (52, 395636), (104, 197818), (208, 98909)]