13378220

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1451}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 28174608

約数和(自身を除く): 14796388

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1451, 1844, 2305, 2902, 4610, 5804, 7255, 9220, 14510, 29020, 668911, 1337822, 2675644, 3344555, 6689110, 13378220]

約数ペア:

[(1, 13378220), (2, 6689110), (4, 3344555), (5, 2675644), (10, 1337822), (20, 668911), (461, 29020), (922, 14510), (1451, 9220), (1844, 7255), (2305, 5804), (2902, 4610)]