20908911

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11833}}^1$

素因数の和:11886

約数の個数: 16

約数和(自身を含む): 30295040

約数和(自身を除く): 9386129

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 11833, 35499, 224827, 366823, 674481, 1100469, 6969637, 20908911]

約数ペア:

[(1, 20908911), (3, 6969637), (19, 1100469), (31, 674481), (57, 366823), (93, 224827), (589, 35499), (1767, 11833)]