20091518810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{2339}}^1$

素因数の和:2628

約数の個数: 96

約数和(自身を含む): 41230425600

約数和(自身を除く): 21138906790

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 229, 242, 310, 341, 458, 605, 682, 1145, 1210, 1705, 2290, 2339, 2519, 3410, 3751, 4678, 5038, 7099, 7502, 11695, 12595, 14198, 18755, 23390, 25190, 25729, 27709, 35495, 37510, 51458, 55418, 70990, 72509, 78089, 128645, 138545, 145018, 156178, 257290, 277090, 283019, 362545, 390445, 535631, 566038, 725090, 780890, 797599, 858979, 1071262, 1415095, 1595198, 1717958, 2678155, 2830190, 3987995, 4294895, 5356310, 5891941, 7975990, 8589790, 8773589, 11783882, 16604561, 17547178, 29459705, 33209122, 43867945, 58919410, 64811351, 83022805, 87735890, 129622702, 166045610, 182650171, 324056755, 365300342, 648113510, 913250855, 1826501710, 2009151881, 4018303762, 10045759405, 20091518810]

約数ペア:

[(1, 20091518810), (2, 10045759405), (5, 4018303762), (10, 2009151881), (11, 1826501710), (22, 913250855), (31, 648113510), (55, 365300342), (62, 324056755), (110, 182650171), (121, 166045610), (155, 129622702), (229, 87735890), (242, 83022805), (310, 64811351), (341, 58919410), (458, 43867945), (605, 33209122), (682, 29459705), (1145, 17547178), (1210, 16604561), (1705, 11783882), (2290, 8773589), (2339, 8589790), (2519, 7975990), (3410, 5891941), (3751, 5356310), (4678, 4294895), (5038, 3987995), (7099, 2830190), (7502, 2678155), (11695, 1717958), (12595, 1595198), (14198, 1415095), (18755, 1071262), (23390, 858979), (25190, 797599), (25729, 780890), (27709, 725090), (35495, 566038), (37510, 535631), (51458, 390445), (55418, 362545), (70990, 283019), (72509, 277090), (78089, 257290), (128645, 156178), (138545, 145018)]