20548520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8707}}^1$

素因数の和:8777

約数の個数: 32

約数和(自身を含む): 47023200

約数和(自身を除く): 26474680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8707, 17414, 34828, 43535, 69656, 87070, 174140, 348280, 513713, 1027426, 2054852, 2568565, 4109704, 5137130, 10274260, 20548520]

約数ペア:

[(1, 20548520), (2, 10274260), (4, 5137130), (5, 4109704), (8, 2568565), (10, 2054852), (20, 1027426), (40, 513713), (59, 348280), (118, 174140), (236, 87070), (295, 69656), (472, 43535), (590, 34828), (1180, 17414), (2360, 8707)]