20413604

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4721}}^1$

素因数の和:4795

約数の個数: 24

約数和(自身を含む): 38078208

約数和(自身を除く): 17664604

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4721, 9442, 18884, 108583, 217166, 221887, 434332, 443774, 887548, 5103401, 10206802, 20413604]

約数ペア:

[(1, 20413604), (2, 10206802), (4, 5103401), (23, 887548), (46, 443774), (47, 434332), (92, 221887), (94, 217166), (188, 108583), (1081, 18884), (2162, 9442), (4324, 4721)]