20565993987

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1413179}}^1$

素因数の和:1413213

約数の個数: 48

約数和(自身を含む): 38664604800

約数和(自身を除く): 18098610813

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1323, 1617, 2079, 4851, 14553, 1413179, 4239537, 9892253, 12718611, 15544969, 29676759, 38155833, 46634907, 69245771, 89030277, 108814783, 139904721, 207737313, 267090831, 326444349, 419714163, 623211939, 761703481, 979333047, 1869635817, 2285110443, 2937999141, 6855331329, 20565993987]

約数ペア:

[(1, 20565993987), (3, 6855331329), (7, 2937999141), (9, 2285110443), (11, 1869635817), (21, 979333047), (27, 761703481), (33, 623211939), (49, 419714163), (63, 326444349), (77, 267090831), (99, 207737313), (147, 139904721), (189, 108814783), (231, 89030277), (297, 69245771), (441, 46634907), (539, 38155833), (693, 29676759), (1323, 15544969), (1617, 12718611), (2079, 9892253), (4851, 4239537), (14553, 1413179)]