20676609

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1693}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 11035071

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 1693, 4071, 5079, 12213, 15237, 38939, 99887, 116817, 299661, 350451, 898983, 2297401, 6892203, 20676609]

約数ペア:

[(1, 20676609), (3, 6892203), (9, 2297401), (23, 898983), (59, 350451), (69, 299661), (177, 116817), (207, 99887), (531, 38939), (1357, 15237), (1693, 12213), (4071, 5079)]