20176985085

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1\times {\mathrm{17921}}^1$

素因数の和:19573

約数の個数: 32

約数和(自身を含む): 32992538112

約数和(自身を除く): 12815553027

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 1597, 4791, 7985, 17921, 23955, 53763, 75059, 89605, 225177, 268815, 375295, 842287, 1125885, 2526861, 4211435, 12634305, 28619837, 85859511, 143099185, 429297555, 1345132339, 4035397017, 6725661695, 20176985085]

約数ペア:

[(1, 20176985085), (3, 6725661695), (5, 4035397017), (15, 1345132339), (47, 429297555), (141, 143099185), (235, 85859511), (705, 28619837), (1597, 12634305), (4791, 4211435), (7985, 2526861), (17921, 1125885), (23955, 842287), (53763, 375295), (75059, 268815), (89605, 225177)]