20161971752

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{18253}}^1$

素因数の和:18347

約数の個数: 96

約数和(自身を含む): 44094362400

約数和(自身を除く): 23932390648

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 43, 52, 76, 86, 104, 152, 169, 172, 247, 338, 344, 494, 559, 676, 817, 988, 1118, 1352, 1634, 1976, 2236, 3211, 3268, 4472, 6422, 6536, 7267, 10621, 12844, 14534, 18253, 21242, 25688, 29068, 36506, 42484, 58136, 73012, 84968, 138073, 146024, 237289, 276146, 346807, 474578, 552292, 693614, 784879, 949156, 1104584, 1387228, 1569758, 1898312, 2774456, 3084757, 3139516, 4508491, 6169514, 6279032, 9016982, 10203427, 12339028, 14912701, 18033964, 20406854, 24678056, 29825402, 36067928, 40813708, 58610383, 59650804, 81627416, 117220766, 119301608, 132644551, 193865113, 234441532, 265289102, 387730226, 468883064, 530578204, 775460452, 1061156408, 1550920904, 2520246469, 5040492938, 10080985876, 20161971752]

約数ペア:

[(1, 20161971752), (2, 10080985876), (4, 5040492938), (8, 2520246469), (13, 1550920904), (19, 1061156408), (26, 775460452), (38, 530578204), (43, 468883064), (52, 387730226), (76, 265289102), (86, 234441532), (104, 193865113), (152, 132644551), (169, 119301608), (172, 117220766), (247, 81627416), (338, 59650804), (344, 58610383), (494, 40813708), (559, 36067928), (676, 29825402), (817, 24678056), (988, 20406854), (1118, 18033964), (1352, 14912701), (1634, 12339028), (1976, 10203427), (2236, 9016982), (3211, 6279032), (3268, 6169514), (4472, 4508491), (6422, 3139516), (6536, 3084757), (7267, 2774456), (10621, 1898312), (12844, 1569758), (14534, 1387228), (18253, 1104584), (21242, 949156), (25688, 784879), (29068, 693614), (36506, 552292), (42484, 474578), (58136, 346807), (73012, 276146), (84968, 237289), (138073, 146024)]