20194247385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{2113}}^1$

素因数の和:2216

約数の個数: 144

約数和(自身を含む): 41261914512

約数和(自身を除く): 21067667127

約数列:

[1, 3, 5, 9, 13, 15, 17, 31, 39, 45, 51, 65, 85, 93, 117, 153, 155, 195, 221, 255, 279, 403, 465, 527, 585, 663, 765, 961, 1105, 1209, 1395, 1581, 1989, 2015, 2113, 2635, 2883, 3315, 3627, 4743, 4805, 6045, 6339, 6851, 7905, 8649, 9945, 10565, 12493, 14415, 16337, 18135, 19017, 20553, 23715, 27469, 31695, 34255, 35921, 37479, 43245, 49011, 61659, 62465, 65503, 81685, 82407, 95085, 102765, 107763, 112437, 137345, 147033, 179605, 187395, 196509, 212381, 245055, 247221, 308295, 323289, 327515, 412035, 466973, 538815, 562185, 589527, 637143, 735165, 851539, 982545, 1061905, 1113551, 1236105, 1400919, 1616445, 1911429, 2030593, 2334865, 2554617, 2947635, 3185715, 3340653, 4202757, 4257695, 5567755, 6091779, 7004595, 7663851, 9557145, 10021959, 10152965, 12773085, 14476163, 16703265, 18275337, 21013785, 26397709, 30458895, 34520081, 38319255, 43428489, 50109795, 72380815, 79193127, 91376685, 103560243, 130285467, 131988545, 172600405, 217142445, 237579381, 310680729, 395965635, 448761053, 517801215, 651427335, 1187896905, 1346283159, 1553403645, 2243805265, 4038849477, 6731415795, 20194247385]

約数ペア:

[(1, 20194247385), (3, 6731415795), (5, 4038849477), (9, 2243805265), (13, 1553403645), (15, 1346283159), (17, 1187896905), (31, 651427335), (39, 517801215), (45, 448761053), (51, 395965635), (65, 310680729), (85, 237579381), (93, 217142445), (117, 172600405), (153, 131988545), (155, 130285467), (195, 103560243), (221, 91376685), (255, 79193127), (279, 72380815), (403, 50109795), (465, 43428489), (527, 38319255), (585, 34520081), (663, 30458895), (765, 26397709), (961, 21013785), (1105, 18275337), (1209, 16703265), (1395, 14476163), (1581, 12773085), (1989, 10152965), (2015, 10021959), (2113, 9557145), (2635, 7663851), (2883, 7004595), (3315, 6091779), (3627, 5567755), (4743, 4257695), (4805, 4202757), (6045, 3340653), (6339, 3185715), (6851, 2947635), (7905, 2554617), (8649, 2334865), (9945, 2030593), (10565, 1911429), (12493, 1616445), (14415, 1400919), (16337, 1236105), (18135, 1113551), (19017, 1061905), (20553, 982545), (23715, 851539), (27469, 735165), (31695, 637143), (34255, 589527), (35921, 562185), (37479, 538815), (43245, 466973), (49011, 412035), (61659, 327515), (62465, 323289), (65503, 308295), (81685, 247221), (82407, 245055), (95085, 212381), (102765, 196509), (107763, 187395), (112437, 179605), (137345, 147033)]