20794337728

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{75403}}^1$

素因数の和:75585

約数の個数: 56

約数和(自身を含む): 42901859840

約数和(自身を除く): 22107522112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 139, 248, 278, 496, 556, 992, 1112, 1984, 2224, 4309, 4448, 8618, 8896, 17236, 34472, 68944, 75403, 137888, 150806, 275776, 301612, 603224, 1206448, 2337493, 2412896, 4674986, 4825792, 9349972, 10481017, 18699944, 20962034, 37399888, 41924068, 74799776, 83848136, 149599552, 167696272, 324911527, 335392544, 649823054, 670785088, 1299646108, 2599292216, 5198584432, 10397168864, 20794337728]

約数ペア:

[(1, 20794337728), (2, 10397168864), (4, 5198584432), (8, 2599292216), (16, 1299646108), (31, 670785088), (32, 649823054), (62, 335392544), (64, 324911527), (124, 167696272), (139, 149599552), (248, 83848136), (278, 74799776), (496, 41924068), (556, 37399888), (992, 20962034), (1112, 18699944), (1984, 10481017), (2224, 9349972), (4309, 4825792), (4448, 4674986), (8618, 2412896), (8896, 2337493), (17236, 1206448), (34472, 603224), (68944, 301612), (75403, 275776), (137888, 150806)]