20739492063

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{19213}}^1$

素因数の和:19376

約数の個数: 48

約数和(自身を含む): 31940123904

約数和(自身を除く): 11200631841

約数列:

[1, 3, 9, 31, 53, 73, 93, 159, 219, 279, 477, 657, 1643, 2263, 3869, 4929, 6789, 11607, 14787, 19213, 20367, 34821, 57639, 119939, 172917, 359817, 595603, 1018289, 1079451, 1402549, 1786809, 3054867, 4207647, 5360427, 9164601, 12622941, 31566959, 43479019, 74335097, 94700877, 130437057, 223005291, 284102631, 391311171, 669015873, 2304388007, 6913164021, 20739492063]

約数ペア:

[(1, 20739492063), (3, 6913164021), (9, 2304388007), (31, 669015873), (53, 391311171), (73, 284102631), (93, 223005291), (159, 130437057), (219, 94700877), (279, 74335097), (477, 43479019), (657, 31566959), (1643, 12622941), (2263, 9164601), (3869, 5360427), (4929, 4207647), (6789, 3054867), (11607, 1786809), (14787, 1402549), (19213, 1079451), (20367, 1018289), (34821, 595603), (57639, 359817), (119939, 172917)]