20643604

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 37856448

約数和(自身を除く): 17212844

約数列:

[1, 2, 4, 23, 46, 92, 457, 491, 914, 982, 1828, 1964, 10511, 11293, 21022, 22586, 42044, 45172, 224387, 448774, 897548, 5160901, 10321802, 20643604]

約数ペア:

[(1, 20643604), (2, 10321802), (4, 5160901), (23, 897548), (46, 448774), (92, 224387), (457, 45172), (491, 42044), (914, 22586), (982, 21022), (1828, 11293), (1964, 10511)]