20310828

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29363412

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 71, 93, 124, 142, 186, 213, 284, 372, 426, 769, 852, 1538, 2201, 2307, 3076, 4402, 4614, 6603, 8804, 9228, 13206, 23839, 26412, 47678, 54599, 71517, 95356, 109198, 143034, 163797, 218396, 286068, 327594, 655188, 1692569, 3385138, 5077707, 6770276, 10155414, 20310828]

約数ペア:

[(1, 20310828), (2, 10155414), (3, 6770276), (4, 5077707), (6, 3385138), (12, 1692569), (31, 655188), (62, 327594), (71, 286068), (93, 218396), (124, 163797), (142, 143034), (186, 109198), (213, 95356), (284, 71517), (372, 54599), (426, 47678), (769, 26412), (852, 23839), (1538, 13206), (2201, 9228), (2307, 8804), (3076, 6603), (4402, 4614)]