20331311

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 28761600

約数和(自身を除く): 8430289

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1069, 1463, 1729, 2717, 7483, 11759, 13897, 19019, 20311, 82313, 97279, 142177, 152867, 223421, 264043, 1070069, 1563947, 1848301, 2904473, 20331311]

約数ペア:

[(1, 20331311), (7, 2904473), (11, 1848301), (13, 1563947), (19, 1070069), (77, 264043), (91, 223421), (133, 152867), (143, 142177), (209, 97279), (247, 82313), (1001, 20311), (1069, 19019), (1463, 13897), (1729, 11759), (2717, 7483)]