20604892

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 27658148

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 503, 532, 539, 836, 931, 1006, 1078, 1463, 1862, 2012, 2156, 2926, 3521, 3724, 5533, 5852, 7042, 9557, 10241, 11066, 14084, 19114, 20482, 22132, 24647, 38228, 38731, 40964, 49294, 66899, 77462, 98588, 105127, 133798, 154924, 210254, 267596, 271117, 420508, 468293, 542234, 735889, 936586, 1084468, 1471778, 1873172, 2943556, 5151223, 10302446, 20604892]

約数ペア:

[(1, 20604892), (2, 10302446), (4, 5151223), (7, 2943556), (11, 1873172), (14, 1471778), (19, 1084468), (22, 936586), (28, 735889), (38, 542234), (44, 468293), (49, 420508), (76, 271117), (77, 267596), (98, 210254), (133, 154924), (154, 133798), (196, 105127), (209, 98588), (266, 77462), (308, 66899), (418, 49294), (503, 40964), (532, 38731), (539, 38228), (836, 24647), (931, 22132), (1006, 20482), (1078, 19114), (1463, 14084), (1862, 11066), (2012, 10241), (2156, 9557), (2926, 7042), (3521, 5852), (3724, 5533)]