20883252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 31895628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 263, 509, 526, 789, 1018, 1052, 1527, 1578, 2036, 3054, 3156, 3419, 6108, 6617, 6838, 10257, 13234, 13676, 19851, 20514, 26468, 39702, 41028, 79404, 133867, 267734, 401601, 535468, 803202, 1606404, 1740271, 3480542, 5220813, 6961084, 10441626, 20883252]

約数ペア:

[(1, 20883252), (2, 10441626), (3, 6961084), (4, 5220813), (6, 3480542), (12, 1740271), (13, 1606404), (26, 803202), (39, 535468), (52, 401601), (78, 267734), (156, 133867), (263, 79404), (509, 41028), (526, 39702), (789, 26468), (1018, 20514), (1052, 19851), (1527, 13676), (1578, 13234), (2036, 10257), (3054, 6838), (3156, 6617), (3419, 6108)]