11491420

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1297}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 24205104

約数和(自身を除く): 12713684

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1297, 1772, 2215, 2594, 4430, 5188, 6485, 8860, 12970, 25940, 574571, 1149142, 2298284, 2872855, 5745710, 11491420]

約数ペア:

[(1, 11491420), (2, 5745710), (4, 2872855), (5, 2298284), (10, 1149142), (20, 574571), (443, 25940), (886, 12970), (1297, 8860), (1772, 6485), (2215, 5188), (2594, 4430)]