20784887956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2963}}^1\times {\mathrm{14737}}^1$

素因数の和:17728

約数の個数: 48

約数和(自身を含む): 44032899456

約数和(自身を除く): 23248011500

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 2963, 5926, 11852, 14737, 20741, 29474, 41482, 50371, 58948, 82964, 100742, 103159, 201484, 206318, 250529, 352597, 412636, 501058, 705194, 1002116, 1410388, 1753703, 3507406, 7014812, 43665731, 87331462, 174662924, 305660117, 611320234, 742317427, 1222640468, 1484634854, 2969269708, 5196221989, 10392443978, 20784887956]

約数ペア:

[(1, 20784887956), (2, 10392443978), (4, 5196221989), (7, 2969269708), (14, 1484634854), (17, 1222640468), (28, 742317427), (34, 611320234), (68, 305660117), (119, 174662924), (238, 87331462), (476, 43665731), (2963, 7014812), (5926, 3507406), (11852, 1753703), (14737, 1410388), (20741, 1002116), (29474, 705194), (41482, 501058), (50371, 412636), (58948, 352597), (82964, 250529), (100742, 206318), (103159, 201484)]