20123621888

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{1483}}^1\times {\mathrm{1559}}^1$

素因数の和:3077

約数の個数: 80

約数和(自身を含む): 42629146560

約数和(自身を除く): 22505524672

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 1483, 1559, 2176, 2966, 3118, 4352, 5932, 6236, 8704, 11864, 12472, 23728, 24944, 25211, 26503, 47456, 49888, 50422, 53006, 94912, 99776, 100844, 106012, 189824, 199552, 201688, 212024, 379648, 399104, 403376, 424048, 759296, 798208, 806752, 848096, 1613504, 1696192, 2311997, 3227008, 3392384, 4623994, 6454016, 6784768, 9247988, 12908032, 13569536, 18495976, 36991952, 39303949, 73983904, 78607898, 147967808, 157215796, 295935616, 314431592, 591871232, 628863184, 1183742464, 1257726368, 2515452736, 5030905472, 10061810944, 20123621888]

約数ペア:

[(1, 20123621888), (2, 10061810944), (4, 5030905472), (8, 2515452736), (16, 1257726368), (17, 1183742464), (32, 628863184), (34, 591871232), (64, 314431592), (68, 295935616), (128, 157215796), (136, 147967808), (256, 78607898), (272, 73983904), (512, 39303949), (544, 36991952), (1088, 18495976), (1483, 13569536), (1559, 12908032), (2176, 9247988), (2966, 6784768), (3118, 6454016), (4352, 4623994), (5932, 3392384), (6236, 3227008), (8704, 2311997), (11864, 1696192), (12472, 1613504), (23728, 848096), (24944, 806752), (25211, 798208), (26503, 759296), (47456, 424048), (49888, 403376), (50422, 399104), (53006, 379648), (94912, 212024), (99776, 201688), (100844, 199552), (106012, 189824)]