20215695032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{21799}}^1$

素因数の和:22096

約数の個数: 64

約数和(自身を含む): 42099288000

約数和(自身を除く): 21883592968

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 241, 296, 481, 482, 962, 964, 1924, 1928, 3133, 3848, 6266, 8917, 12532, 17834, 21799, 25064, 35668, 43598, 71336, 87196, 115921, 174392, 231842, 283387, 463684, 566774, 806563, 927368, 1133548, 1613126, 2267096, 3226252, 5253559, 6452504, 10485319, 10507118, 20970638, 21014236, 41941276, 42028472, 68296267, 83882552, 136592534, 194381683, 273185068, 388763366, 546370136, 777526732, 1555053464, 2526961879, 5053923758, 10107847516, 20215695032]

約数ペア:

[(1, 20215695032), (2, 10107847516), (4, 5053923758), (8, 2526961879), (13, 1555053464), (26, 777526732), (37, 546370136), (52, 388763366), (74, 273185068), (104, 194381683), (148, 136592534), (241, 83882552), (296, 68296267), (481, 42028472), (482, 41941276), (962, 21014236), (964, 20970638), (1924, 10507118), (1928, 10485319), (3133, 6452504), (3848, 5253559), (6266, 3226252), (8917, 2267096), (12532, 1613126), (17834, 1133548), (21799, 927368), (25064, 806563), (35668, 566774), (43598, 463684), (71336, 283387), (87196, 231842), (115921, 174392)]