20358448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{883}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 43407936

約数和(自身を除く): 23049488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 131, 176, 262, 524, 883, 1048, 1441, 1766, 2096, 2882, 3532, 5764, 7064, 9713, 11528, 14128, 19426, 23056, 38852, 77704, 115673, 155408, 231346, 462692, 925384, 1272403, 1850768, 2544806, 5089612, 10179224, 20358448]

約数ペア:

[(1, 20358448), (2, 10179224), (4, 5089612), (8, 2544806), (11, 1850768), (16, 1272403), (22, 925384), (44, 462692), (88, 231346), (131, 155408), (176, 115673), (262, 77704), (524, 38852), (883, 23056), (1048, 19426), (1441, 14128), (1766, 11528), (2096, 9713), (2882, 7064), (3532, 5764)]