20485725536

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{70481}}^1$

素因数の和:70815

約数の個数: 48

約数和(自身を含む): 41774963328

約数和(自身を除く): 21289237792

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 293, 496, 586, 992, 1172, 2344, 4688, 9083, 9376, 18166, 36332, 70481, 72664, 140962, 145328, 281924, 290656, 563848, 1127696, 2184911, 2255392, 4369822, 8739644, 17479288, 20650933, 34958576, 41301866, 69917152, 82603732, 165207464, 330414928, 640178923, 660829856, 1280357846, 2560715692, 5121431384, 10242862768, 20485725536]

約数ペア:

[(1, 20485725536), (2, 10242862768), (4, 5121431384), (8, 2560715692), (16, 1280357846), (31, 660829856), (32, 640178923), (62, 330414928), (124, 165207464), (248, 82603732), (293, 69917152), (496, 41301866), (586, 34958576), (992, 20650933), (1172, 17479288), (2344, 8739644), (4688, 4369822), (9083, 2255392), (9376, 2184911), (18166, 1127696), (36332, 563848), (70481, 290656), (72664, 281924), (140962, 145328)]