11551420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3191}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 24399648

約数和(自身を除く): 12848228

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3191, 3620, 6382, 12764, 15955, 31910, 63820, 577571, 1155142, 2310284, 2887855, 5775710, 11551420]

約数ペア:

[(1, 11551420), (2, 5775710), (4, 2887855), (5, 2310284), (10, 1155142), (20, 577571), (181, 63820), (362, 31910), (724, 15955), (905, 12764), (1810, 6382), (3191, 3620)]