20120463675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 39582466560

約数和(自身を除く): 19462002885

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 83, 117, 179, 195, 225, 249, 325, 415, 463, 537, 585, 747, 895, 975, 1079, 1245, 1389, 1611, 2075, 2315, 2327, 2685, 2925, 3237, 3735, 4167, 4475, 5395, 6019, 6225, 6945, 6981, 8055, 9711, 11575, 11635, 13425, 14857, 16185, 18057, 18675, 20835, 20943, 26975, 30095, 34725, 34905, 38429, 40275, 44571, 48555, 54171, 58175, 74285, 80925, 82877, 90285, 104175, 104715, 115287, 133713, 150475, 174525, 192145, 193141, 222855, 242775, 248631, 270855, 345861, 371425, 414385, 451425, 499577, 523575, 576435, 579423, 668565, 745893, 960725, 965705, 1077401, 1114275, 1243155, 1354275, 1498731, 1729305, 1738269, 2071925, 2497885, 2882175, 2897115, 3232203, 3342825, 3729465, 4496193, 4828525, 5387005, 6215775, 6878791, 7493655, 8646525, 8691345, 9696609, 12489425, 14485575, 16161015, 18647325, 20636373, 22480965, 26935025, 34393955, 37468275, 43456725, 48483045, 61909119, 80805075, 89424283, 103181865, 112404825, 171969775, 242415225, 268272849, 309545595, 447121415, 515909325, 804818547, 1341364245, 1547727975, 2235607075, 4024092735, 6706821225, 20120463675]

約数ペア:

[(1, 20120463675), (3, 6706821225), (5, 4024092735), (9, 2235607075), (13, 1547727975), (15, 1341364245), (25, 804818547), (39, 515909325), (45, 447121415), (65, 309545595), (75, 268272849), (83, 242415225), (117, 171969775), (179, 112404825), (195, 103181865), (225, 89424283), (249, 80805075), (325, 61909119), (415, 48483045), (463, 43456725), (537, 37468275), (585, 34393955), (747, 26935025), (895, 22480965), (975, 20636373), (1079, 18647325), (1245, 16161015), (1389, 14485575), (1611, 12489425), (2075, 9696609), (2315, 8691345), (2327, 8646525), (2685, 7493655), (2925, 6878791), (3237, 6215775), (3735, 5387005), (4167, 4828525), (4475, 4496193), (5395, 3729465), (6019, 3342825), (6225, 3232203), (6945, 2897115), (6981, 2882175), (8055, 2497885), (9711, 2071925), (11575, 1738269), (11635, 1729305), (13425, 1498731), (14857, 1354275), (16185, 1243155), (18057, 1114275), (18675, 1077401), (20835, 965705), (20943, 960725), (26975, 745893), (30095, 668565), (34725, 579423), (34905, 576435), (38429, 523575), (40275, 499577), (44571, 451425), (48555, 414385), (54171, 371425), (58175, 345861), (74285, 270855), (80925, 248631), (82877, 242775), (90285, 222855), (104175, 193141), (104715, 192145), (115287, 174525), (133713, 150475)]