20542900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29347}}^1$

素因数の和:29368

約数の個数: 36

約数和(自身を含む): 50948128

約数和(自身を除く): 30405228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29347, 58694, 117388, 146735, 205429, 293470, 410858, 586940, 733675, 821716, 1027145, 1467350, 2054290, 2934700, 4108580, 5135725, 10271450, 20542900]

約数ペア:

[(1, 20542900), (2, 10271450), (4, 5135725), (5, 4108580), (7, 2934700), (10, 2054290), (14, 1467350), (20, 1027145), (25, 821716), (28, 733675), (35, 586940), (50, 410858), (70, 293470), (100, 205429), (140, 146735), (175, 117388), (350, 58694), (700, 29347)]