20161821328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{114555803}}^1$

素因数の和:114555822

約数の個数: 20

約数和(自身を含む): 42614759088

約数和(自身を除く): 22452937760

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 114555803, 229111606, 458223212, 916446424, 1260113833, 1832892848, 2520227666, 5040455332, 10080910664, 20161821328]

約数ペア:

[(1, 20161821328), (2, 10080910664), (4, 5040455332), (8, 2520227666), (11, 1832892848), (16, 1260113833), (22, 916446424), (44, 458223212), (88, 229111606), (176, 114555803)]