20334807

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 32592560

約数和(自身を除く): 12257753

約数列:

[1, 3, 9, 19, 27, 57, 73, 81, 171, 181, 219, 513, 543, 657, 1387, 1539, 1629, 1971, 3439, 4161, 4887, 5913, 10317, 12483, 13213, 14661, 30951, 37449, 39639, 92853, 112347, 118917, 251047, 278559, 356751, 753141, 1070253, 2259423, 6778269, 20334807]

約数ペア:

[(1, 20334807), (3, 6778269), (9, 2259423), (19, 1070253), (27, 753141), (57, 356751), (73, 278559), (81, 251047), (171, 118917), (181, 112347), (219, 92853), (513, 39639), (543, 37449), (657, 30951), (1387, 14661), (1539, 13213), (1629, 12483), (1971, 10317), (3439, 5913), (4161, 4887)]