20587336

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 30100664

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 1759, 2926, 3518, 5852, 7036, 11704, 12313, 14072, 19349, 24626, 33421, 38698, 49252, 66842, 77396, 98504, 133684, 135443, 154792, 233947, 267368, 270886, 367631, 467894, 541772, 735262, 935788, 1083544, 1470524, 1871576, 2573417, 2941048, 5146834, 10293668, 20587336]

約数ペア:

[(1, 20587336), (2, 10293668), (4, 5146834), (7, 2941048), (8, 2573417), (11, 1871576), (14, 1470524), (19, 1083544), (22, 935788), (28, 735262), (38, 541772), (44, 467894), (56, 367631), (76, 270886), (77, 267368), (88, 233947), (133, 154792), (152, 135443), (154, 133684), (209, 98504), (266, 77396), (308, 66842), (418, 49252), (532, 38698), (616, 33421), (836, 24626), (1064, 19349), (1463, 14072), (1672, 12313), (1759, 11704), (2926, 7036), (3518, 5852)]