20161658878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9721147}}^1$

素因数の和:9721227

約数の個数: 16

約数和(自身を含む): 32546403504

約数和(自身を除く): 12384744626

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 9721147, 19442294, 165259499, 330518998, 592989967, 1185979934, 10080829439, 20161658878]

約数ペア:

[(1, 20161658878), (2, 10080829439), (17, 1185979934), (34, 592989967), (61, 330518998), (122, 165259499), (1037, 19442294), (2074, 9721147)]