20679200

素因数分解:

$2^5\times 5^2\times {\mathrm{25849}}^1$

素因数の和:25869

約数の個数: 36

約数和(自身を含む): 50485050

約数和(自身を除く): 29805850

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25849, 51698, 103396, 129245, 206792, 258490, 413584, 516980, 646225, 827168, 1033960, 1292450, 2067920, 2584900, 4135840, 5169800, 10339600, 20679200]

約数ペア:

[(1, 20679200), (2, 10339600), (4, 5169800), (5, 4135840), (8, 2584900), (10, 2067920), (16, 1292450), (20, 1033960), (25, 827168), (32, 646225), (40, 516980), (50, 413584), (80, 258490), (100, 206792), (160, 129245), (200, 103396), (400, 51698), (800, 25849)]