20817558

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{11923}}^1$

素因数の和:12028

約数の個数: 24

約数和(自身を含む): 45573528

約数和(自身を除く): 24755970

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 11923, 23846, 35769, 71538, 107307, 214614, 1156531, 2313062, 3469593, 6939186, 10408779, 20817558]

約数ペア:

[(1, 20817558), (2, 10408779), (3, 6939186), (6, 3469593), (9, 2313062), (18, 1156531), (97, 214614), (194, 107307), (291, 71538), (582, 35769), (873, 23846), (1746, 11923)]