20147647779

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{7741}}^1$

素因数の和:8097

約数の個数: 64

約数和(自身を含む): 34961633280

約数和(自身を除く): 14813985501

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 293, 329, 423, 879, 987, 1269, 2051, 2637, 2961, 6153, 7741, 7911, 8883, 13771, 18459, 23223, 41313, 54187, 55377, 69669, 96397, 123939, 162561, 209007, 289191, 363827, 371817, 487683, 867573, 1091481, 1463049, 2268113, 2546789, 2602719, 3274443, 6804339, 7640367, 9823329, 15876791, 20413017, 22921101, 47630373, 61239051, 68763303, 106601311, 142891119, 319803933, 428673357, 746209177, 959411799, 2238627531, 2878235397, 6715882593, 20147647779]

約数ペア:

[(1, 20147647779), (3, 6715882593), (7, 2878235397), (9, 2238627531), (21, 959411799), (27, 746209177), (47, 428673357), (63, 319803933), (141, 142891119), (189, 106601311), (293, 68763303), (329, 61239051), (423, 47630373), (879, 22921101), (987, 20413017), (1269, 15876791), (2051, 9823329), (2637, 7640367), (2961, 6804339), (6153, 3274443), (7741, 2602719), (7911, 2546789), (8883, 2268113), (13771, 1463049), (18459, 1091481), (23223, 867573), (41313, 487683), (54187, 371817), (55377, 363827), (69669, 289191), (96397, 209007), (123939, 162561)]