20218730110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{26399}}^1$

素因数の和:26593

約数の個数: 64

約数和(自身を含む): 39916800000

約数和(自身を除く): 19698069890

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 139, 145, 190, 278, 290, 551, 695, 1102, 1390, 2641, 2755, 4031, 5282, 5510, 8062, 13205, 20155, 26399, 26410, 40310, 52798, 76589, 131995, 153178, 263990, 382945, 501581, 765571, 765890, 1003162, 1531142, 2507905, 3669461, 3827855, 5015810, 7338922, 7655710, 14545849, 18347305, 29091698, 36694610, 69719759, 72729245, 106414369, 139439518, 145458490, 212828738, 348598795, 532071845, 697197590, 1064143690, 2021873011, 4043746022, 10109365055, 20218730110]

約数ペア:

[(1, 20218730110), (2, 10109365055), (5, 4043746022), (10, 2021873011), (19, 1064143690), (29, 697197590), (38, 532071845), (58, 348598795), (95, 212828738), (139, 145458490), (145, 139439518), (190, 106414369), (278, 72729245), (290, 69719759), (551, 36694610), (695, 29091698), (1102, 18347305), (1390, 14545849), (2641, 7655710), (2755, 7338922), (4031, 5015810), (5282, 3827855), (5510, 3669461), (8062, 2507905), (13205, 1531142), (20155, 1003162), (26399, 765890), (26410, 765571), (40310, 501581), (52798, 382945), (76589, 263990), (131995, 153178)]