20903598592

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{8839}}^1$

素因数の和:9037

約数の個数: 80

約数和(自身を含む): 43407936000

約数和(自身を除く): 22504337408

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 149, 248, 256, 298, 496, 512, 596, 992, 1192, 1984, 2384, 3968, 4619, 4768, 7936, 8839, 9238, 9536, 15872, 17678, 18476, 19072, 35356, 36952, 38144, 70712, 73904, 76288, 141424, 147808, 274009, 282848, 295616, 548018, 565696, 591232, 1096036, 1131392, 1182464, 1317011, 2192072, 2262784, 2364928, 2634022, 4384144, 4525568, 5268044, 8768288, 10536088, 17536576, 21072176, 35073152, 40827341, 42144352, 70146304, 81654682, 84288704, 140292608, 163309364, 168577408, 326618728, 337154816, 653237456, 674309632, 1306474912, 2612949824, 5225899648, 10451799296, 20903598592]

約数ペア:

[(1, 20903598592), (2, 10451799296), (4, 5225899648), (8, 2612949824), (16, 1306474912), (31, 674309632), (32, 653237456), (62, 337154816), (64, 326618728), (124, 168577408), (128, 163309364), (149, 140292608), (248, 84288704), (256, 81654682), (298, 70146304), (496, 42144352), (512, 40827341), (596, 35073152), (992, 21072176), (1192, 17536576), (1984, 10536088), (2384, 8768288), (3968, 5268044), (4619, 4525568), (4768, 4384144), (7936, 2634022), (8839, 2364928), (9238, 2262784), (9536, 2192072), (15872, 1317011), (17678, 1182464), (18476, 1131392), (19072, 1096036), (35356, 591232), (36952, 565696), (38144, 548018), (70712, 295616), (73904, 282848), (76288, 274009), (141424, 147808)]