20850696

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1440

約数の個数: 80

約数和(自身を含む): 60984000

約数和(自身を除く): 40133304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 276, 324, 414, 552, 621, 648, 828, 1242, 1399, 1656, 1863, 2484, 2798, 3726, 4197, 4968, 5596, 7452, 8394, 11192, 12591, 14904, 16788, 25182, 32177, 33576, 37773, 50364, 64354, 75546, 96531, 100728, 113319, 128708, 151092, 193062, 226638, 257416, 289593, 302184, 386124, 453276, 579186, 772248, 868779, 906552, 1158372, 1737558, 2316744, 2606337, 3475116, 5212674, 6950232, 10425348, 20850696]

約数ペア:

[(1, 20850696), (2, 10425348), (3, 6950232), (4, 5212674), (6, 3475116), (8, 2606337), (9, 2316744), (12, 1737558), (18, 1158372), (23, 906552), (24, 868779), (27, 772248), (36, 579186), (46, 453276), (54, 386124), (69, 302184), (72, 289593), (81, 257416), (92, 226638), (108, 193062), (138, 151092), (162, 128708), (184, 113319), (207, 100728), (216, 96531), (276, 75546), (324, 64354), (414, 50364), (552, 37773), (621, 33576), (648, 32177), (828, 25182), (1242, 16788), (1399, 14904), (1656, 12591), (1863, 11192), (2484, 8394), (2798, 7452), (3726, 5596), (4197, 4968)]