20217940096

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{839}}^1\times {\mathrm{6073}}^1$

素因数の和:6957

約数の個数: 64

約数和(自身を含む): 41633625600

約数和(自身を除く): 21415685504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 839, 992, 1678, 1984, 3356, 3968, 6073, 6712, 12146, 13424, 24292, 26009, 26848, 48584, 52018, 53696, 97168, 104036, 107392, 188263, 194336, 208072, 376526, 388672, 416144, 753052, 777344, 832288, 1506104, 1664576, 3012208, 3329152, 5095247, 6024416, 10190494, 12048832, 20380988, 24097664, 40761976, 81523952, 157952657, 163047904, 315905314, 326095808, 631810628, 652191616, 1263621256, 2527242512, 5054485024, 10108970048, 20217940096]

約数ペア:

[(1, 20217940096), (2, 10108970048), (4, 5054485024), (8, 2527242512), (16, 1263621256), (31, 652191616), (32, 631810628), (62, 326095808), (64, 315905314), (124, 163047904), (128, 157952657), (248, 81523952), (496, 40761976), (839, 24097664), (992, 20380988), (1678, 12048832), (1984, 10190494), (3356, 6024416), (3968, 5095247), (6073, 3329152), (6712, 3012208), (12146, 1664576), (13424, 1506104), (24292, 832288), (26009, 777344), (26848, 753052), (48584, 416144), (52018, 388672), (53696, 376526), (97168, 208072), (104036, 194336), (107392, 188263)]