11100020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12907}}^1$

素因数の和:12959

約数の個数: 24

約数和(自身を含む): 23853984

約数和(自身を除く): 12753964

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 12907, 25814, 51628, 64535, 129070, 258140, 555001, 1110002, 2220004, 2775005, 5550010, 11100020]

約数ペア:

[(1, 11100020), (2, 5550010), (4, 2775005), (5, 2220004), (10, 1110002), (20, 555001), (43, 258140), (86, 129070), (172, 64535), (215, 51628), (430, 25814), (860, 12907)]