20145538077

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30945527}}^1$

素因数の和:30945568

約数の個数: 16

約数和(自身を含む): 31688220672

約数和(自身を除く): 11542682595

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30945527, 92836581, 216618689, 649856067, 959311337, 2877934011, 6715179359, 20145538077]

約数ペア:

[(1, 20145538077), (3, 6715179359), (7, 2877934011), (21, 959311337), (31, 649856067), (93, 216618689), (217, 92836581), (651, 30945527)]