20891034

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{2999}}^1$

素因数の和:3056

約数の個数: 40

約数和(自身を含む): 47916000

約数和(自身を除く): 27024966

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 387, 774, 1161, 2322, 2999, 3483, 5998, 6966, 8997, 17994, 26991, 53982, 80973, 128957, 161946, 242919, 257914, 386871, 485838, 773742, 1160613, 2321226, 3481839, 6963678, 10445517, 20891034]

約数ペア:

[(1, 20891034), (2, 10445517), (3, 6963678), (6, 3481839), (9, 2321226), (18, 1160613), (27, 773742), (43, 485838), (54, 386871), (81, 257914), (86, 242919), (129, 161946), (162, 128957), (258, 80973), (387, 53982), (774, 26991), (1161, 17994), (2322, 8997), (2999, 6966), (3483, 5998)]