20558628

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{3301}}^1$

素因数の和:3484

約数の個数: 36

約数和(自身を含む): 52283868

約数和(自身を除く): 31725240

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 346, 519, 692, 1038, 1557, 2076, 3114, 3301, 6228, 6602, 9903, 13204, 19806, 29709, 39612, 59418, 118836, 571073, 1142146, 1713219, 2284292, 3426438, 5139657, 6852876, 10279314, 20558628]

約数ペア:

[(1, 20558628), (2, 10279314), (3, 6852876), (4, 5139657), (6, 3426438), (9, 2284292), (12, 1713219), (18, 1142146), (36, 571073), (173, 118836), (346, 59418), (519, 39612), (692, 29709), (1038, 19806), (1557, 13204), (2076, 9903), (3114, 6602), (3301, 6228)]