20672852

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 37240896

約数和(自身を除く): 16568044

約数列:

[1, 2, 4, 43, 86, 172, 263, 457, 526, 914, 1052, 1828, 11309, 19651, 22618, 39302, 45236, 78604, 120191, 240382, 480764, 5168213, 10336426, 20672852]

約数ペア:

[(1, 20672852), (2, 10336426), (4, 5168213), (43, 480764), (86, 240382), (172, 120191), (263, 78604), (457, 45236), (526, 39302), (914, 22618), (1052, 19651), (1828, 11309)]