20835306

素因数分解:

$2^1\times 3^5\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 47951904

約数和(自身を除く): 27116598

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 774, 997, 1161, 1994, 2322, 2991, 3483, 5982, 6966, 8973, 10449, 17946, 20898, 26919, 42871, 53838, 80757, 85742, 128613, 161514, 242271, 257226, 385839, 484542, 771678, 1157517, 2315034, 3472551, 6945102, 10417653, 20835306]

約数ペア:

[(1, 20835306), (2, 10417653), (3, 6945102), (6, 3472551), (9, 2315034), (18, 1157517), (27, 771678), (43, 484542), (54, 385839), (81, 257226), (86, 242271), (129, 161514), (162, 128613), (243, 85742), (258, 80757), (387, 53838), (486, 42871), (774, 26919), (997, 20898), (1161, 17946), (1994, 10449), (2322, 8973), (2991, 6966), (3483, 5982)]