20631330265

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{54829}}^1$

素因数の和:55681

約数の個数: 32

約数和(自身を含む): 30508289280

約数和(自身を除く): 9876959015

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 827, 4135, 5789, 10751, 28945, 53755, 54829, 75257, 274145, 376285, 383803, 712777, 1919015, 3563885, 4989439, 24947195, 45343583, 226717915, 317405081, 589466579, 1587025405, 2947332895, 4126266053, 20631330265]

約数ペア:

[(1, 20631330265), (5, 4126266053), (7, 2947332895), (13, 1587025405), (35, 589466579), (65, 317405081), (91, 226717915), (455, 45343583), (827, 24947195), (4135, 4989439), (5789, 3563885), (10751, 1919015), (28945, 712777), (53755, 383803), (54829, 376285), (75257, 274145)]