20138156696

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{52721}}^1$

素因数の和:53112

約数の個数: 64

約数和(自身を含む): 45551808000

約数和(自身を除く): 25413651304

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 359, 532, 718, 1064, 1436, 2513, 2872, 5026, 6821, 10052, 13642, 20104, 27284, 47747, 52721, 54568, 95494, 105442, 190988, 210884, 369047, 381976, 421768, 738094, 1001699, 1476188, 2003398, 2952376, 4006796, 7011893, 8013592, 14023786, 18926839, 28047572, 37853678, 56095144, 75707356, 132487873, 151414712, 264975746, 359609941, 529951492, 719219882, 1059902984, 1438439764, 2517269587, 2876879528, 5034539174, 10069078348, 20138156696]

約数ペア:

[(1, 20138156696), (2, 10069078348), (4, 5034539174), (7, 2876879528), (8, 2517269587), (14, 1438439764), (19, 1059902984), (28, 719219882), (38, 529951492), (56, 359609941), (76, 264975746), (133, 151414712), (152, 132487873), (266, 75707356), (359, 56095144), (532, 37853678), (718, 28047572), (1064, 18926839), (1436, 14023786), (2513, 8013592), (2872, 7011893), (5026, 4006796), (6821, 2952376), (10052, 2003398), (13642, 1476188), (20104, 1001699), (27284, 738094), (47747, 421768), (52721, 381976), (54568, 369047), (95494, 210884), (105442, 190988)]