20167939340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{643}}^1$

素因数の和:1071

約数の個数: 96

約数和(自身を含む): 43700912640

約数和(自身を除く): 23532973300

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 178, 263, 268, 335, 356, 445, 526, 643, 670, 890, 1052, 1286, 1315, 1340, 1780, 2572, 2630, 3215, 5260, 5963, 6430, 11926, 12860, 17621, 23407, 23852, 29815, 35242, 43081, 46814, 57227, 59630, 70484, 86162, 88105, 93628, 114454, 117035, 119260, 169109, 172324, 176210, 215405, 228908, 234070, 286135, 338218, 352420, 430810, 468140, 572270, 676436, 845545, 861620, 1144540, 1568269, 1691090, 3136538, 3382180, 3834209, 6273076, 7668418, 7841345, 11330303, 15050701, 15336836, 15682690, 19171045, 22660606, 30101402, 31365380, 38342090, 45321212, 56651515, 60202804, 75253505, 76684180, 113303030, 150507010, 226606060, 301014020, 1008396967, 2016793934, 4033587868, 5041984835, 10083969670, 20167939340]

約数ペア:

[(1, 20167939340), (2, 10083969670), (4, 5041984835), (5, 4033587868), (10, 2016793934), (20, 1008396967), (67, 301014020), (89, 226606060), (134, 150507010), (178, 113303030), (263, 76684180), (268, 75253505), (335, 60202804), (356, 56651515), (445, 45321212), (526, 38342090), (643, 31365380), (670, 30101402), (890, 22660606), (1052, 19171045), (1286, 15682690), (1315, 15336836), (1340, 15050701), (1780, 11330303), (2572, 7841345), (2630, 7668418), (3215, 6273076), (5260, 3834209), (5963, 3382180), (6430, 3136538), (11926, 1691090), (12860, 1568269), (17621, 1144540), (23407, 861620), (23852, 845545), (29815, 676436), (35242, 572270), (43081, 468140), (46814, 430810), (57227, 352420), (59630, 338218), (70484, 286135), (86162, 234070), (88105, 228908), (93628, 215405), (114454, 176210), (117035, 172324), (119260, 169109)]