20105787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{613}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 29948464

約数和(自身を除く): 9842677

約数列:

[1, 3, 13, 29, 39, 87, 377, 613, 841, 1131, 1839, 2523, 7969, 10933, 17777, 23907, 32799, 53331, 231101, 515533, 693303, 1546599, 6701929, 20105787]

約数ペア:

[(1, 20105787), (3, 6701929), (13, 1546599), (29, 693303), (39, 515533), (87, 231101), (377, 53331), (613, 32799), (841, 23907), (1131, 17777), (1839, 10933), (2523, 7969)]