20158493456

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1\times {\mathrm{941}}^1$

素因数の和:1452

約数の個数: 80

約数和(自身を含む): 40862942640

約数和(自身を除く): 20704449184

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 137, 232, 274, 337, 464, 548, 674, 941, 1096, 1348, 1882, 2192, 2696, 3764, 3973, 5392, 7528, 7946, 9773, 15056, 15892, 19546, 27289, 31784, 39092, 46169, 54578, 63568, 78184, 92338, 109156, 128917, 156368, 184676, 218312, 257834, 317117, 369352, 436624, 515668, 634234, 738704, 1031336, 1268468, 1338901, 2062672, 2536936, 2677802, 3738593, 5073872, 5355604, 7477186, 9196393, 10711208, 14954372, 18392786, 21422416, 29908744, 36785572, 43445029, 59817488, 73571144, 86890058, 147142288, 173780116, 347560232, 695120464, 1259905841, 2519811682, 5039623364, 10079246728, 20158493456]

約数ペア:

[(1, 20158493456), (2, 10079246728), (4, 5039623364), (8, 2519811682), (16, 1259905841), (29, 695120464), (58, 347560232), (116, 173780116), (137, 147142288), (232, 86890058), (274, 73571144), (337, 59817488), (464, 43445029), (548, 36785572), (674, 29908744), (941, 21422416), (1096, 18392786), (1348, 14954372), (1882, 10711208), (2192, 9196393), (2696, 7477186), (3764, 5355604), (3973, 5073872), (5392, 3738593), (7528, 2677802), (7946, 2536936), (9773, 2062672), (15056, 1338901), (15892, 1268468), (19546, 1031336), (27289, 738704), (31784, 634234), (39092, 515668), (46169, 436624), (54578, 369352), (63568, 317117), (78184, 257834), (92338, 218312), (109156, 184676), (128917, 156368)]