20578649

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2239}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 25589760

約数和(自身を除く): 5011111

約数列:

[1, 7, 13, 91, 101, 707, 1313, 2239, 9191, 15673, 29107, 203749, 226139, 1582973, 2939807, 20578649]

約数ペア:

[(1, 20578649), (7, 2939807), (13, 1582973), (91, 226139), (101, 203749), (707, 29107), (1313, 15673), (2239, 9191)]