20123595921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{66161}}^1$

素因数の和:66897

約数の個数: 32

約数和(自身を含む): 31567213440

約数和(自身を除く): 11443617519

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 709, 2127, 7799, 9217, 23397, 27651, 66161, 101387, 198483, 304161, 727771, 860093, 2183313, 2580279, 9461023, 28383069, 46908149, 140724447, 515989639, 609805937, 1547968917, 1829417811, 6707865307, 20123595921]

約数ペア:

[(1, 20123595921), (3, 6707865307), (11, 1829417811), (13, 1547968917), (33, 609805937), (39, 515989639), (143, 140724447), (429, 46908149), (709, 28383069), (2127, 9461023), (7799, 2580279), (9217, 2183313), (23397, 860093), (27651, 727771), (66161, 304161), (101387, 198483)]