20691750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 32143578

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 75, 94, 125, 141, 150, 235, 250, 282, 375, 470, 587, 705, 750, 1174, 1175, 1410, 1761, 2350, 2935, 3522, 3525, 5870, 5875, 7050, 8805, 11750, 14675, 17610, 17625, 27589, 29350, 35250, 44025, 55178, 73375, 82767, 88050, 137945, 146750, 165534, 220125, 275890, 413835, 440250, 689725, 827670, 1379450, 2069175, 3448625, 4138350, 6897250, 10345875, 20691750]

約数ペア:

[(1, 20691750), (2, 10345875), (3, 6897250), (5, 4138350), (6, 3448625), (10, 2069175), (15, 1379450), (25, 827670), (30, 689725), (47, 440250), (50, 413835), (75, 275890), (94, 220125), (125, 165534), (141, 146750), (150, 137945), (235, 88050), (250, 82767), (282, 73375), (375, 55178), (470, 44025), (587, 35250), (705, 29350), (750, 27589), (1174, 17625), (1175, 17610), (1410, 14675), (1761, 11750), (2350, 8805), (2935, 7050), (3522, 5875), (3525, 5870)]