20102309872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73905551}}^1$

素因数の和:73905576

約数の個数: 20

約数和(自身を含む): 41239298016

約数和(自身を除く): 21136988144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73905551, 147811102, 295622204, 591244408, 1182488816, 1256394367, 2512788734, 5025577468, 10051154936, 20102309872]

約数ペア:

[(1, 20102309872), (2, 10051154936), (4, 5025577468), (8, 2512788734), (16, 1256394367), (17, 1182488816), (34, 591244408), (68, 295622204), (136, 147811102), (272, 73905551)]