20793885189

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{143111}}^1$

素因数の和:143186

約数の個数: 64

約数和(自身を含む): 37589225472

約数和(自身を除く): 16795340283

約数列:

[1, 3, 7, 11, 17, 21, 33, 37, 51, 77, 111, 119, 187, 231, 259, 357, 407, 561, 629, 777, 1221, 1309, 1887, 2849, 3927, 4403, 6919, 8547, 13209, 20757, 48433, 143111, 145299, 429333, 1001777, 1574221, 2432887, 3005331, 4722663, 5295107, 7298661, 11019547, 15885321, 17030209, 26761757, 33058641, 37065749, 51090627, 58246177, 80285271, 90016819, 111197247, 174738531, 187332299, 270050457, 407723239, 561996897, 630117733, 990185009, 1223169717, 1890353199, 2970555027, 6931295063, 20793885189]

約数ペア:

[(1, 20793885189), (3, 6931295063), (7, 2970555027), (11, 1890353199), (17, 1223169717), (21, 990185009), (33, 630117733), (37, 561996897), (51, 407723239), (77, 270050457), (111, 187332299), (119, 174738531), (187, 111197247), (231, 90016819), (259, 80285271), (357, 58246177), (407, 51090627), (561, 37065749), (629, 33058641), (777, 26761757), (1221, 17030209), (1309, 15885321), (1887, 11019547), (2849, 7298661), (3927, 5295107), (4403, 4722663), (6919, 3005331), (8547, 2432887), (13209, 1574221), (20757, 1001777), (48433, 429333), (143111, 145299)]