20532008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 27851992

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 92, 133, 152, 161, 184, 266, 322, 437, 532, 644, 839, 874, 1064, 1288, 1678, 1748, 3059, 3356, 3496, 5873, 6118, 6712, 11746, 12236, 15941, 19297, 23492, 24472, 31882, 38594, 46984, 63764, 77188, 111587, 127528, 135079, 154376, 223174, 270158, 366643, 446348, 540316, 733286, 892696, 1080632, 1466572, 2566501, 2933144, 5133002, 10266004, 20532008]

約数ペア:

[(1, 20532008), (2, 10266004), (4, 5133002), (7, 2933144), (8, 2566501), (14, 1466572), (19, 1080632), (23, 892696), (28, 733286), (38, 540316), (46, 446348), (56, 366643), (76, 270158), (92, 223174), (133, 154376), (152, 135079), (161, 127528), (184, 111587), (266, 77188), (322, 63764), (437, 46984), (532, 38594), (644, 31882), (839, 24472), (874, 23492), (1064, 19297), (1288, 15941), (1678, 12236), (1748, 11746), (3059, 6712), (3356, 6118), (3496, 5873)]