31892020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26141}}^1$

素因数の和:26211

約数の個数: 24

約数和(自身を含む): 68073768

約数和(自身を除く): 36181748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 26141, 52282, 104564, 130705, 261410, 522820, 1594601, 3189202, 6378404, 7973005, 15946010, 31892020]

約数ペア:

[(1, 31892020), (2, 15946010), (4, 7973005), (5, 6378404), (10, 3189202), (20, 1594601), (61, 522820), (122, 261410), (244, 130705), (305, 104564), (610, 52282), (1220, 26141)]