20079604

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 36316448

約数和(自身を除く): 16236844

約数列:

[1, 2, 4, 37, 74, 148, 211, 422, 643, 844, 1286, 2572, 7807, 15614, 23791, 31228, 47582, 95164, 135673, 271346, 542692, 5019901, 10039802, 20079604]

約数ペア:

[(1, 20079604), (2, 10039802), (4, 5019901), (37, 542692), (74, 271346), (148, 135673), (211, 95164), (422, 47582), (643, 31228), (844, 23791), (1286, 15614), (2572, 7807)]