20876220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115979}}^1$

素因数の和:115994

約数の個数: 36

約数和(自身を含む): 63325080

約数和(自身を除く): 42448860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115979, 231958, 347937, 463916, 579895, 695874, 1043811, 1159790, 1391748, 1739685, 2087622, 2319580, 3479370, 4175244, 5219055, 6958740, 10438110, 20876220]

約数ペア:

[(1, 20876220), (2, 10438110), (3, 6958740), (4, 5219055), (5, 4175244), (6, 3479370), (9, 2319580), (10, 2087622), (12, 1739685), (15, 1391748), (18, 1159790), (20, 1043811), (30, 695874), (36, 579895), (45, 463916), (60, 347937), (90, 231958), (180, 115979)]