20970738

素因数分解:

$2^1\times 3^4\times {\mathrm{129449}}^1$

素因数の和:129463

約数の個数: 20

約数和(自身を含む): 46990350

約数和(自身を除く): 26019612

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129449, 258898, 388347, 776694, 1165041, 2330082, 3495123, 6990246, 10485369, 20970738]

約数ペア:

[(1, 20970738), (2, 10485369), (3, 6990246), (6, 3495123), (9, 2330082), (18, 1165041), (27, 776694), (54, 388347), (81, 258898), (162, 129449)]