20235041775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1443

約数の個数: 216

約数和(自身を含む): 43392731616

約数和(自身を除く): 23157689841

約数列:

[1, 3, 5, 9, 13, 15, 17, 23, 25, 39, 45, 51, 65, 69, 75, 85, 115, 117, 153, 169, 195, 207, 221, 225, 255, 299, 325, 345, 391, 425, 507, 575, 585, 663, 765, 845, 897, 975, 1035, 1105, 1173, 1275, 1361, 1495, 1521, 1725, 1955, 1989, 2535, 2691, 2873, 2925, 3315, 3519, 3825, 3887, 4083, 4225, 4485, 5083, 5175, 5525, 5865, 6805, 7475, 7605, 8619, 9775, 9945, 11661, 12249, 12675, 13455, 14365, 15249, 16575, 17595, 17693, 19435, 20415, 22425, 23137, 25415, 25857, 29325, 31303, 34025, 34983, 38025, 43095, 45747, 49725, 53079, 58305, 61245, 66079, 67275, 69411, 71825, 76245, 87975, 88465, 93909, 97175, 102075, 115685, 127075, 129285, 156515, 159237, 174915, 198237, 208233, 215475, 228735, 230009, 265395, 281727, 291525, 300781, 306225, 330395, 347055, 381225, 406939, 442325, 469545, 532151, 578425, 594711, 646425, 690027, 782575, 796185, 874575, 902343, 991185, 1041165, 1143675, 1150045, 1220817, 1326975, 1408635, 1503905, 1596453, 1651975, 1735275, 2034695, 2070081, 2347725, 2660755, 2707029, 2973555, 3450135, 3662451, 3910153, 3980925, 4511715, 4789359, 4955925, 5205825, 5290207, 5750225, 6104085, 6917963, 7043175, 7519525, 7982265, 10173475, 10350405, 11730459, 13303775, 13535145, 14867775, 15870621, 17250675, 18312255, 19550765, 20753889, 22558575, 23946795, 26451035, 30520425, 34589815, 35191377, 39911325, 47611863, 51752025, 58652295, 62261667, 67675725, 79353105, 89933519, 91561275, 97753825, 103769445, 119733975, 132255175, 172949075, 175956885, 238059315, 269800557, 293261475, 311308335, 396765525, 449667595, 518847225, 809401671, 879784425, 1190296575, 1349002785, 1556541675, 2248337975, 4047008355, 6745013925, 20235041775]

約数ペア:

[(1, 20235041775), (3, 6745013925), (5, 4047008355), (9, 2248337975), (13, 1556541675), (15, 1349002785), (17, 1190296575), (23, 879784425), (25, 809401671), (39, 518847225), (45, 449667595), (51, 396765525), (65, 311308335), (69, 293261475), (75, 269800557), (85, 238059315), (115, 175956885), (117, 172949075), (153, 132255175), (169, 119733975), (195, 103769445), (207, 97753825), (221, 91561275), (225, 89933519), (255, 79353105), (299, 67675725), (325, 62261667), (345, 58652295), (391, 51752025), (425, 47611863), (507, 39911325), (575, 35191377), (585, 34589815), (663, 30520425), (765, 26451035), (845, 23946795), (897, 22558575), (975, 20753889), (1035, 19550765), (1105, 18312255), (1173, 17250675), (1275, 15870621), (1361, 14867775), (1495, 13535145), (1521, 13303775), (1725, 11730459), (1955, 10350405), (1989, 10173475), (2535, 7982265), (2691, 7519525), (2873, 7043175), (2925, 6917963), (3315, 6104085), (3519, 5750225), (3825, 5290207), (3887, 5205825), (4083, 4955925), (4225, 4789359), (4485, 4511715), (5083, 3980925), (5175, 3910153), (5525, 3662451), (5865, 3450135), (6805, 2973555), (7475, 2707029), (7605, 2660755), (8619, 2347725), (9775, 2070081), (9945, 2034695), (11661, 1735275), (12249, 1651975), (12675, 1596453), (13455, 1503905), (14365, 1408635), (15249, 1326975), (16575, 1220817), (17595, 1150045), (17693, 1143675), (19435, 1041165), (20415, 991185), (22425, 902343), (23137, 874575), (25415, 796185), (25857, 782575), (29325, 690027), (31303, 646425), (34025, 594711), (34983, 578425), (38025, 532151), (43095, 469545), (45747, 442325), (49725, 406939), (53079, 381225), (58305, 347055), (61245, 330395), (66079, 306225), (67275, 300781), (69411, 291525), (71825, 281727), (76245, 265395), (87975, 230009), (88465, 228735), (93909, 215475), (97175, 208233), (102075, 198237), (115685, 174915), (127075, 159237), (129285, 156515)]