20176811721

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397283}}^1$

素因数の和:397328

約数の個数: 48

約数和(自身を含む): 34706730240

約数和(自身を除く): 14529918519

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 243, 297, 513, 627, 891, 1539, 1881, 2673, 4617, 5643, 16929, 50787, 397283, 1191849, 3575547, 4370113, 7548377, 10726641, 13110339, 22645131, 32179923, 39331017, 67935393, 83032147, 96539769, 117993051, 203806179, 249096441, 353979153, 611418537, 747289323, 1061937459, 1834255611, 2241867969, 6725603907, 20176811721]

約数ペア:

[(1, 20176811721), (3, 6725603907), (9, 2241867969), (11, 1834255611), (19, 1061937459), (27, 747289323), (33, 611418537), (57, 353979153), (81, 249096441), (99, 203806179), (171, 117993051), (209, 96539769), (243, 83032147), (297, 67935393), (513, 39331017), (627, 32179923), (891, 22645131), (1539, 13110339), (1881, 10726641), (2673, 7548377), (4617, 4370113), (5643, 3575547), (16929, 1191849), (50787, 397283)]