20042967

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 12397353

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 263, 399, 573, 789, 1337, 1841, 3629, 4011, 4997, 5523, 10887, 14991, 25403, 34979, 50233, 76209, 104937, 150699, 351631, 954427, 1054893, 2863281, 6680989, 20042967]

約数ペア:

[(1, 20042967), (3, 6680989), (7, 2863281), (19, 1054893), (21, 954427), (57, 351631), (133, 150699), (191, 104937), (263, 76209), (399, 50233), (573, 34979), (789, 25403), (1337, 14991), (1841, 10887), (3629, 5523), (4011, 4997)]