20196311525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 29158133760

約数和(自身を除く): 8961822235

約数列:

[1, 5, 13, 17, 25, 65, 85, 107, 127, 221, 269, 325, 425, 535, 635, 1105, 1345, 1391, 1651, 1819, 2159, 2675, 3175, 3497, 4573, 5525, 6725, 6955, 8255, 9095, 10795, 13589, 17485, 22865, 23647, 28067, 28783, 34163, 34775, 41275, 45475, 53975, 59449, 67945, 87425, 114325, 118235, 140335, 143915, 170815, 176657, 231013, 297245, 339725, 374179, 444119, 489311, 580771, 591175, 701675, 719575, 854075, 883285, 1155065, 1486225, 1870895, 2220595, 2446555, 2903855, 3003169, 3655441, 4416425, 5775325, 6361043, 7550023, 9354475, 11102975, 12232775, 14519275, 15015845, 18277205, 31805215, 37750115, 47520733, 62142497, 75079225, 91386025, 159026075, 188750575, 237603665, 310712485, 807852461, 1188018325, 1553562425, 4039262305, 20196311525]

約数ペア:

[(1, 20196311525), (5, 4039262305), (13, 1553562425), (17, 1188018325), (25, 807852461), (65, 310712485), (85, 237603665), (107, 188750575), (127, 159026075), (221, 91386025), (269, 75079225), (325, 62142497), (425, 47520733), (535, 37750115), (635, 31805215), (1105, 18277205), (1345, 15015845), (1391, 14519275), (1651, 12232775), (1819, 11102975), (2159, 9354475), (2675, 7550023), (3175, 6361043), (3497, 5775325), (4573, 4416425), (5525, 3655441), (6725, 3003169), (6955, 2903855), (8255, 2446555), (9095, 2220595), (10795, 1870895), (13589, 1486225), (17485, 1155065), (22865, 883285), (23647, 854075), (28067, 719575), (28783, 701675), (34163, 591175), (34775, 580771), (41275, 489311), (45475, 444119), (53975, 374179), (59449, 339725), (67945, 297245), (87425, 231013), (114325, 176657), (118235, 170815), (140335, 143915)]