20639758336

素因数分解:

$2^{11}\times {\mathrm{31}}^2\times {\mathrm{10487}}^1$

素因数の和:10571

約数の個数: 72

約数和(自身を含む): 42647721480

約数和(自身を除く): 22007963144

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 961, 992, 1024, 1922, 1984, 2048, 3844, 3968, 7688, 7936, 10487, 15376, 15872, 20974, 30752, 31744, 41948, 61504, 63488, 83896, 123008, 167792, 246016, 325097, 335584, 492032, 650194, 671168, 984064, 1300388, 1342336, 1968128, 2600776, 2684672, 5201552, 5369344, 10078007, 10403104, 10738688, 20156014, 20806208, 21477376, 40312028, 41612416, 80624056, 83224832, 161248112, 166449664, 322496224, 332899328, 644992448, 665798656, 1289984896, 2579969792, 5159939584, 10319879168, 20639758336]

約数ペア:

[(1, 20639758336), (2, 10319879168), (4, 5159939584), (8, 2579969792), (16, 1289984896), (31, 665798656), (32, 644992448), (62, 332899328), (64, 322496224), (124, 166449664), (128, 161248112), (248, 83224832), (256, 80624056), (496, 41612416), (512, 40312028), (961, 21477376), (992, 20806208), (1024, 20156014), (1922, 10738688), (1984, 10403104), (2048, 10078007), (3844, 5369344), (3968, 5201552), (7688, 2684672), (7936, 2600776), (10487, 1968128), (15376, 1342336), (15872, 1300388), (20974, 984064), (30752, 671168), (31744, 650194), (41948, 492032), (61504, 335584), (63488, 325097), (83896, 246016), (123008, 167792)]