20165512857

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{633001}}^1$

素因数の和:633089

約数の個数: 32

約数和(自身を含む): 32328678144

約数和(自身を除く): 12163165287

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 777, 861, 1517, 4551, 10619, 31857, 633001, 1899003, 4431007, 13293021, 23421037, 25953041, 70263111, 77859123, 163947259, 181671287, 491841777, 545013861, 960262517, 2880787551, 6721837619, 20165512857]

約数ペア:

[(1, 20165512857), (3, 6721837619), (7, 2880787551), (21, 960262517), (37, 545013861), (41, 491841777), (111, 181671287), (123, 163947259), (259, 77859123), (287, 70263111), (777, 25953041), (861, 23421037), (1517, 13293021), (4551, 4431007), (10619, 1899003), (31857, 633001)]