20608926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 45856944

約数和(自身を除く): 25248018

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 193, 222, 386, 481, 579, 962, 1158, 1369, 1443, 2509, 2738, 2886, 4107, 5018, 7141, 7527, 8214, 14282, 15054, 17797, 21423, 35594, 42846, 53391, 92833, 106782, 185666, 264217, 278499, 528434, 556998, 792651, 1585302, 3434821, 6869642, 10304463, 20608926]

約数ペア:

[(1, 20608926), (2, 10304463), (3, 6869642), (6, 3434821), (13, 1585302), (26, 792651), (37, 556998), (39, 528434), (74, 278499), (78, 264217), (111, 185666), (193, 106782), (222, 92833), (386, 53391), (481, 42846), (579, 35594), (962, 21423), (1158, 17797), (1369, 15054), (1443, 14282), (2509, 8214), (2738, 7527), (2886, 7141), (4107, 5018)]