2021793904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9720163}}^1$

素因数の和:9720184

約数の個数: 20

約数和(自身を含む): 4218551176

約数和(自身を除く): 2196757272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9720163, 19440326, 38880652, 77761304, 126362119, 155522608, 252724238, 505448476, 1010896952, 2021793904]

約数ペア:

[(1, 2021793904), (2, 1010896952), (4, 505448476), (8, 252724238), (13, 155522608), (16, 126362119), (26, 77761304), (52, 38880652), (104, 19440326), (208, 9720163)]