20117775339

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{20593}}^1$

素因数の和:20844

約数の個数: 48

約数和(自身を含む): 31805373600

約数和(自身を除く): 11687598261

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 197, 261, 551, 591, 1653, 1773, 3743, 4959, 5713, 11229, 17139, 20593, 33687, 51417, 61779, 108547, 185337, 325641, 391267, 597197, 976923, 1173801, 1791591, 3521403, 4056821, 5374773, 11346743, 12170463, 34040229, 36511389, 77079599, 102120687, 117647809, 231238797, 352943427, 693716391, 1058830281, 2235308371, 6705925113, 20117775339]

約数ペア:

[(1, 20117775339), (3, 6705925113), (9, 2235308371), (19, 1058830281), (29, 693716391), (57, 352943427), (87, 231238797), (171, 117647809), (197, 102120687), (261, 77079599), (551, 36511389), (591, 34040229), (1653, 12170463), (1773, 11346743), (3743, 5374773), (4959, 4056821), (5713, 3521403), (11229, 1791591), (17139, 1173801), (20593, 976923), (33687, 597197), (51417, 391267), (61779, 325641), (108547, 185337)]