20896366850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{359}}^1$

素因数の和:513

約数の個数: 144

約数和(自身を含む): 43525071360

約数和(自身を除く): 22628704510

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 47, 50, 62, 85, 94, 155, 170, 235, 310, 359, 425, 470, 527, 718, 775, 799, 850, 1054, 1175, 1457, 1550, 1598, 1795, 2209, 2350, 2635, 2914, 3590, 3995, 4418, 5270, 6103, 7285, 7990, 8975, 11045, 11129, 12206, 13175, 14570, 16873, 17950, 19975, 22090, 22258, 24769, 26350, 30515, 33746, 36425, 37553, 39950, 49538, 55225, 55645, 61030, 68479, 72850, 75106, 84365, 110450, 111290, 123845, 136958, 152575, 168730, 187765, 189193, 247690, 278225, 286841, 305150, 342395, 375530, 378386, 421825, 523063, 556450, 573682, 619225, 684790, 793031, 843650, 938825, 945965, 1046126, 1164143, 1238450, 1434205, 1586062, 1711975, 1877650, 1891930, 2328286, 2615315, 2868410, 3423950, 3965155, 4729825, 5230630, 5820715, 7171025, 7930310, 8892071, 9459650, 11641430, 13076575, 13481527, 14342050, 17784142, 19825775, 24583961, 26153150, 26963054, 29103575, 39651550, 44460355, 49167922, 58207150, 67407635, 88920710, 122919805, 134815270, 222301775, 245839610, 337038175, 417927337, 444603550, 614599025, 674076350, 835854674, 1229198050, 2089636685, 4179273370, 10448183425, 20896366850]

約数ペア:

[(1, 20896366850), (2, 10448183425), (5, 4179273370), (10, 2089636685), (17, 1229198050), (25, 835854674), (31, 674076350), (34, 614599025), (47, 444603550), (50, 417927337), (62, 337038175), (85, 245839610), (94, 222301775), (155, 134815270), (170, 122919805), (235, 88920710), (310, 67407635), (359, 58207150), (425, 49167922), (470, 44460355), (527, 39651550), (718, 29103575), (775, 26963054), (799, 26153150), (850, 24583961), (1054, 19825775), (1175, 17784142), (1457, 14342050), (1550, 13481527), (1598, 13076575), (1795, 11641430), (2209, 9459650), (2350, 8892071), (2635, 7930310), (2914, 7171025), (3590, 5820715), (3995, 5230630), (4418, 4729825), (5270, 3965155), (6103, 3423950), (7285, 2868410), (7990, 2615315), (8975, 2328286), (11045, 1891930), (11129, 1877650), (12206, 1711975), (13175, 1586062), (14570, 1434205), (16873, 1238450), (17950, 1164143), (19975, 1046126), (22090, 945965), (22258, 938825), (24769, 843650), (26350, 793031), (30515, 684790), (33746, 619225), (36425, 573682), (37553, 556450), (39950, 523063), (49538, 421825), (55225, 378386), (55645, 375530), (61030, 342395), (68479, 305150), (72850, 286841), (75106, 278225), (84365, 247690), (110450, 189193), (111290, 187765), (123845, 168730), (136958, 152575)]