20209656

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19583}}^1$

素因数の和:19635

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 31492104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19583, 39166, 58749, 78332, 117498, 156664, 234996, 469992, 842069, 1684138, 2526207, 3368276, 5052414, 6736552, 10104828, 20209656]

約数ペア:

[(1, 20209656), (2, 10104828), (3, 6736552), (4, 5052414), (6, 3368276), (8, 2526207), (12, 1684138), (24, 842069), (43, 469992), (86, 234996), (129, 156664), (172, 117498), (258, 78332), (344, 58749), (516, 39166), (1032, 19583)]