20437802

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18959}}^1$

素因数の和:18986

約数の個数: 24

約数和(自身を含む): 38905920

約数和(自身を除く): 18468118

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18959, 37918, 132713, 208549, 265426, 417098, 928991, 1459843, 1857982, 2919686, 10218901, 20437802]

約数ペア:

[(1, 20437802), (2, 10218901), (7, 2919686), (11, 1857982), (14, 1459843), (22, 928991), (49, 417098), (77, 265426), (98, 208549), (154, 132713), (539, 37918), (1078, 18959)]