20707888

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{1873}}^1$

素因数の和:2572

約数の個数: 20

約数和(自身を含む): 40201048

約数和(自身を除く): 19493160

約数列:

[1, 2, 4, 8, 16, 691, 1382, 1873, 2764, 3746, 5528, 7492, 11056, 14984, 29968, 1294243, 2588486, 5176972, 10353944, 20707888]

約数ペア:

[(1, 20707888), (2, 10353944), (4, 5176972), (8, 2588486), (16, 1294243), (691, 29968), (1382, 14984), (1873, 11056), (2764, 7492), (3746, 5528)]