20193301989

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4784009}}^1$

素因数の和:4784089

約数の個数: 24

約数和(自身を含む): 33832518720

約数和(自身を除く): 13639216731

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4784009, 14352027, 33488063, 43056081, 100464189, 301392567, 320528603, 961585809, 2243700221, 2884757427, 6731100663, 20193301989]

約数ペア:

[(1, 20193301989), (3, 6731100663), (7, 2884757427), (9, 2243700221), (21, 961585809), (63, 320528603), (67, 301392567), (201, 100464189), (469, 43056081), (603, 33488063), (1407, 14352027), (4221, 4784009)]