20501181

素因数分解:

$3^5\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 30925440

約数和(自身を除く): 10424259

約数列:

[1, 3, 9, 27, 81, 239, 243, 353, 717, 1059, 2151, 3177, 6453, 9531, 19359, 28593, 58077, 84367, 85779, 253101, 759303, 2277909, 6833727, 20501181]

約数ペア:

[(1, 20501181), (3, 6833727), (9, 2277909), (27, 759303), (81, 253101), (239, 85779), (243, 84367), (353, 58077), (717, 28593), (1059, 19359), (2151, 9531), (3177, 6453)]