20239390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 38115360

約数和(自身を除く): 17875970

約数列:

[1, 2, 5, 10, 29, 58, 101, 145, 202, 290, 505, 691, 1010, 1382, 2929, 3455, 5858, 6910, 14645, 20039, 29290, 40078, 69791, 100195, 139582, 200390, 348955, 697910, 2023939, 4047878, 10119695, 20239390]

約数ペア:

[(1, 20239390), (2, 10119695), (5, 4047878), (10, 2023939), (29, 697910), (58, 348955), (101, 200390), (145, 139582), (202, 100195), (290, 69791), (505, 40078), (691, 29290), (1010, 20039), (1382, 14645), (2929, 6910), (3455, 5858)]