20359108

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 28024892

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 71, 76, 77, 98, 133, 142, 154, 196, 209, 266, 284, 308, 343, 418, 497, 532, 539, 686, 781, 836, 931, 994, 1078, 1349, 1372, 1463, 1562, 1862, 1988, 2156, 2698, 2926, 3124, 3479, 3724, 3773, 5396, 5467, 5852, 6517, 6958, 7546, 9443, 10241, 10934, 13034, 13916, 14839, 15092, 18886, 20482, 21868, 24353, 26068, 29678, 37772, 38269, 40964, 48706, 59356, 66101, 71687, 76538, 97412, 103873, 132202, 143374, 153076, 207746, 264404, 267883, 286748, 415492, 462707, 535766, 727111, 925414, 1071532, 1454222, 1850828, 2908444, 5089777, 10179554, 20359108]

約数ペア:

[(1, 20359108), (2, 10179554), (4, 5089777), (7, 2908444), (11, 1850828), (14, 1454222), (19, 1071532), (22, 925414), (28, 727111), (38, 535766), (44, 462707), (49, 415492), (71, 286748), (76, 267883), (77, 264404), (98, 207746), (133, 153076), (142, 143374), (154, 132202), (196, 103873), (209, 97412), (266, 76538), (284, 71687), (308, 66101), (343, 59356), (418, 48706), (497, 40964), (532, 38269), (539, 37772), (686, 29678), (781, 26068), (836, 24353), (931, 21868), (994, 20482), (1078, 18886), (1349, 15092), (1372, 14839), (1463, 13916), (1562, 13034), (1862, 10934), (1988, 10241), (2156, 9443), (2698, 7546), (2926, 6958), (3124, 6517), (3479, 5852), (3724, 5467), (3773, 5396)]