20718666

素因数分解:

$2^1\times 3^5\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26455734

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 89, 162, 178, 243, 267, 479, 486, 534, 801, 958, 1437, 1602, 2403, 2874, 4311, 4806, 7209, 8622, 12933, 14418, 21627, 25866, 38799, 42631, 43254, 77598, 85262, 116397, 127893, 232794, 255786, 383679, 767358, 1151037, 2302074, 3453111, 6906222, 10359333, 20718666]

約数ペア:

[(1, 20718666), (2, 10359333), (3, 6906222), (6, 3453111), (9, 2302074), (18, 1151037), (27, 767358), (54, 383679), (81, 255786), (89, 232794), (162, 127893), (178, 116397), (243, 85262), (267, 77598), (479, 43254), (486, 42631), (534, 38799), (801, 25866), (958, 21627), (1437, 14418), (1602, 12933), (2403, 8622), (2874, 7209), (4311, 4806)]