20538518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10259}}^1$

素因数の和:10292

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20829802

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10259, 20518, 71813, 112849, 133367, 143626, 225698, 266734, 789943, 933569, 1467037, 1579886, 1867138, 2934074, 10269259, 20538518]

約数ペア:

[(1, 20538518), (2, 10269259), (7, 2934074), (11, 1867138), (13, 1579886), (14, 1467037), (22, 933569), (26, 789943), (77, 266734), (91, 225698), (143, 143626), (154, 133367), (182, 112849), (286, 71813), (1001, 20518), (2002, 10259)]