20157306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 44306496

約数和(自身を除く): 24149190

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 169, 193, 206, 309, 338, 386, 507, 579, 618, 1014, 1158, 1339, 2509, 2678, 4017, 5018, 7527, 8034, 15054, 17407, 19879, 32617, 34814, 39758, 52221, 59637, 65234, 97851, 104442, 119274, 195702, 258427, 516854, 775281, 1550562, 3359551, 6719102, 10078653, 20157306]

約数ペア:

[(1, 20157306), (2, 10078653), (3, 6719102), (6, 3359551), (13, 1550562), (26, 775281), (39, 516854), (78, 258427), (103, 195702), (169, 119274), (193, 104442), (206, 97851), (309, 65234), (338, 59637), (386, 52221), (507, 39758), (579, 34814), (618, 32617), (1014, 19879), (1158, 17407), (1339, 15054), (2509, 8034), (2678, 7527), (4017, 5018)]