20691504

素因数分解:

$2^4\times 3^3\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:455

約数の個数: 80

約数和(自身を含む): 59936640

約数和(自身を除く): 39245136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 211, 216, 227, 422, 432, 454, 633, 681, 844, 908, 1266, 1362, 1688, 1816, 1899, 2043, 2532, 2724, 3376, 3632, 3798, 4086, 5064, 5448, 5697, 6129, 7596, 8172, 10128, 10896, 11394, 12258, 15192, 16344, 22788, 24516, 30384, 32688, 45576, 47897, 49032, 91152, 95794, 98064, 143691, 191588, 287382, 383176, 431073, 574764, 766352, 862146, 1149528, 1293219, 1724292, 2299056, 2586438, 3448584, 5172876, 6897168, 10345752, 20691504]

約数ペア:

[(1, 20691504), (2, 10345752), (3, 6897168), (4, 5172876), (6, 3448584), (8, 2586438), (9, 2299056), (12, 1724292), (16, 1293219), (18, 1149528), (24, 862146), (27, 766352), (36, 574764), (48, 431073), (54, 383176), (72, 287382), (108, 191588), (144, 143691), (211, 98064), (216, 95794), (227, 91152), (422, 49032), (432, 47897), (454, 45576), (633, 32688), (681, 30384), (844, 24516), (908, 22788), (1266, 16344), (1362, 15192), (1688, 12258), (1816, 11394), (1899, 10896), (2043, 10128), (2532, 8172), (2724, 7596), (3376, 6129), (3632, 5697), (3798, 5448), (4086, 5064)]