20847706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41201}}^1$

素因数の和:41237

約数の個数: 16

約数和(自身を含む): 35598528

約数和(自身を除く): 14750822

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41201, 82402, 453211, 906422, 947623, 1895246, 10423853, 20847706]

約数ペア:

[(1, 20847706), (2, 10423853), (11, 1895246), (22, 947623), (23, 906422), (46, 453211), (253, 82402), (506, 41201)]