20565584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98873}}^1$

素因数の和:98894

約数の個数: 20

約数和(自身を含む): 42911316

約数和(自身を除く): 22345732

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98873, 197746, 395492, 790984, 1285349, 1581968, 2570698, 5141396, 10282792, 20565584]

約数ペア:

[(1, 20565584), (2, 10282792), (4, 5141396), (8, 2570698), (13, 1581968), (16, 1285349), (26, 790984), (52, 395492), (104, 197746), (208, 98873)]