20564221696

素因数分解:

$2^8\times {\mathrm{137}}^1\times {\mathrm{709}}^1\times {\mathrm{827}}^1$

素因数の和:1689

約数の個数: 72

約数和(自身を含む): 41456121840

約数和(自身を除く): 20891900144

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 548, 709, 827, 1096, 1418, 1654, 2192, 2836, 3308, 4384, 5672, 6616, 8768, 11344, 13232, 17536, 22688, 26464, 35072, 45376, 52928, 90752, 97133, 105856, 113299, 181504, 194266, 211712, 226598, 388532, 453196, 586343, 777064, 906392, 1172686, 1554128, 1812784, 2345372, 3108256, 3625568, 4690744, 6216512, 7251136, 9381488, 12433024, 14502272, 18762976, 24866048, 29004544, 37525952, 75051904, 80328991, 150103808, 160657982, 321315964, 642631928, 1285263856, 2570527712, 5141055424, 10282110848, 20564221696]

約数ペア:

[(1, 20564221696), (2, 10282110848), (4, 5141055424), (8, 2570527712), (16, 1285263856), (32, 642631928), (64, 321315964), (128, 160657982), (137, 150103808), (256, 80328991), (274, 75051904), (548, 37525952), (709, 29004544), (827, 24866048), (1096, 18762976), (1418, 14502272), (1654, 12433024), (2192, 9381488), (2836, 7251136), (3308, 6216512), (4384, 4690744), (5672, 3625568), (6616, 3108256), (8768, 2345372), (11344, 1812784), (13232, 1554128), (17536, 1172686), (22688, 906392), (26464, 777064), (35072, 586343), (45376, 453196), (52928, 388532), (90752, 226598), (97133, 211712), (105856, 194266), (113299, 181504)]