20161975515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{6553}}^1$

素因数の和:7244

約数の個数: 64

約数和(自身を含む): 36467504640

約数和(自身を除く): 16305529125

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 643, 957, 1595, 1929, 3215, 4785, 6553, 7073, 9645, 18647, 19659, 21219, 32765, 35365, 55941, 72083, 93235, 98295, 106095, 190037, 205117, 216249, 279705, 360415, 570111, 615351, 950185, 1025585, 1081245, 2090407, 2850555, 3076755, 4213579, 6271221, 10452035, 12640737, 21067895, 31356105, 46349369, 63203685, 122193791, 139048107, 231746845, 366581373, 610968955, 695240535, 1344131701, 1832906865, 4032395103, 6720658505, 20161975515]

約数ペア:

[(1, 20161975515), (3, 6720658505), (5, 4032395103), (11, 1832906865), (15, 1344131701), (29, 695240535), (33, 610968955), (55, 366581373), (87, 231746845), (145, 139048107), (165, 122193791), (319, 63203685), (435, 46349369), (643, 31356105), (957, 21067895), (1595, 12640737), (1929, 10452035), (3215, 6271221), (4785, 4213579), (6553, 3076755), (7073, 2850555), (9645, 2090407), (18647, 1081245), (19659, 1025585), (21219, 950185), (32765, 615351), (35365, 570111), (55941, 360415), (72083, 279705), (93235, 216249), (98295, 205117), (106095, 190037)]