20162495745

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{1579}}^1\times {\mathrm{5791}}^1$

素因数の和:7395

約数の個数: 72

約数和(自身を含む): 40686946560

約数和(自身を除く): 20524450815

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 1579, 2205, 4737, 5791, 7895, 11053, 14211, 17373, 23685, 28955, 33159, 40537, 52119, 55265, 71055, 77371, 86865, 99477, 121611, 165795, 202685, 232113, 260595, 283759, 364833, 386855, 497385, 608055, 696339, 851277, 1160565, 1418795, 1824165, 2553831, 3481695, 4256385, 9143989, 12769155, 27431967, 45719945, 64007923, 82295901, 137159835, 192023769, 320039615, 411479505, 448055461, 576071307, 960118845, 1344166383, 2240277305, 2880356535, 4032499149, 6720831915, 20162495745]

約数ペア:

[(1, 20162495745), (3, 6720831915), (5, 4032499149), (7, 2880356535), (9, 2240277305), (15, 1344166383), (21, 960118845), (35, 576071307), (45, 448055461), (49, 411479505), (63, 320039615), (105, 192023769), (147, 137159835), (245, 82295901), (315, 64007923), (441, 45719945), (735, 27431967), (1579, 12769155), (2205, 9143989), (4737, 4256385), (5791, 3481695), (7895, 2553831), (11053, 1824165), (14211, 1418795), (17373, 1160565), (23685, 851277), (28955, 696339), (33159, 608055), (40537, 497385), (52119, 386855), (55265, 364833), (71055, 283759), (77371, 260595), (86865, 232113), (99477, 202685), (121611, 165795)]