20221353

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6871}}^1$

素因数の和:6989

約数の個数: 16

約数和(自身を含む): 30236800

約数和(自身を除く): 10015447

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6871, 20613, 61839, 185517, 748939, 2246817, 6740451, 20221353]

約数ペア:

[(1, 20221353), (3, 6740451), (9, 2246817), (27, 748939), (109, 185517), (327, 61839), (981, 20613), (2943, 6871)]