12747220

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1033}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 26838504

約数和(自身を除く): 14091284

約数列:

[1, 2, 4, 5, 10, 20, 617, 1033, 1234, 2066, 2468, 3085, 4132, 5165, 6170, 10330, 12340, 20660, 637361, 1274722, 2549444, 3186805, 6373610, 12747220]

約数ペア:

[(1, 12747220), (2, 6373610), (4, 3186805), (5, 2549444), (10, 1274722), (20, 637361), (617, 20660), (1033, 12340), (1234, 10330), (2066, 6170), (2468, 5165), (3085, 4132)]