20549676878

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{717667}}^1$

素因数の和:717911

約数の個数: 16

約数和(自身を含む): 31347738240

約数和(自身を除く): 10798061362

約数列:

[1, 2, 103, 139, 206, 278, 14317, 28634, 717667, 1435334, 73919701, 99755713, 147839402, 199511426, 10274838439, 20549676878]

約数ペア:

[(1, 20549676878), (2, 10274838439), (103, 199511426), (139, 147839402), (206, 99755713), (278, 73919701), (14317, 1435334), (28634, 717667)]