20695953

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1579}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 29350080

約数和(自身を除く): 8654127

約数列:

[1, 3, 17, 51, 257, 771, 1579, 4369, 4737, 13107, 26843, 80529, 405803, 1217409, 6898651, 20695953]

約数ペア:

[(1, 20695953), (3, 6898651), (17, 1217409), (51, 405803), (257, 80529), (771, 26843), (1579, 13107), (4369, 4737)]