13043020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10691}}^1$

素因数の和:10761

約数の個数: 24

約数和(自身を含む): 27841968

約数和(自身を除く): 14798948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10691, 21382, 42764, 53455, 106910, 213820, 652151, 1304302, 2608604, 3260755, 6521510, 13043020]

約数ペア:

[(1, 13043020), (2, 6521510), (4, 3260755), (5, 2608604), (10, 1304302), (20, 652151), (61, 213820), (122, 106910), (244, 53455), (305, 42764), (610, 21382), (1220, 10691)]