20679500

素因数分解:

$2^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 25315540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 125, 236, 250, 295, 500, 590, 701, 1180, 1402, 1475, 2804, 2950, 3505, 5900, 7010, 7375, 14020, 14750, 17525, 29500, 35050, 41359, 70100, 82718, 87625, 165436, 175250, 206795, 350500, 413590, 827180, 1033975, 2067950, 4135900, 5169875, 10339750, 20679500]

約数ペア:

[(1, 20679500), (2, 10339750), (4, 5169875), (5, 4135900), (10, 2067950), (20, 1033975), (25, 827180), (50, 413590), (59, 350500), (100, 206795), (118, 175250), (125, 165436), (236, 87625), (250, 82718), (295, 70100), (500, 41359), (590, 35050), (701, 29500), (1180, 17525), (1402, 14750), (1475, 14020), (2804, 7375), (2950, 7010), (3505, 5900)]