20375866

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 38741760

約数和(自身を除く): 18365894

約数列:

[1, 2, 7, 14, 19, 31, 38, 49, 62, 98, 133, 217, 266, 353, 434, 589, 706, 931, 1178, 1519, 1862, 2471, 3038, 4123, 4942, 6707, 8246, 10943, 13414, 17297, 21886, 28861, 34594, 46949, 57722, 76601, 93898, 153202, 207917, 328643, 415834, 536207, 657286, 1072414, 1455419, 2910838, 10187933, 20375866]

約数ペア:

[(1, 20375866), (2, 10187933), (7, 2910838), (14, 1455419), (19, 1072414), (31, 657286), (38, 536207), (49, 415834), (62, 328643), (98, 207917), (133, 153202), (217, 93898), (266, 76601), (353, 57722), (434, 46949), (589, 34594), (706, 28861), (931, 21886), (1178, 17297), (1519, 13414), (1862, 10943), (2471, 8246), (3038, 6707), (4123, 4942)]