20954465

素因数分解:

$5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3673}}^1$

素因数の和:3848

約数の個数: 16

約数和(自身を含む): 28921728

約数和(自身を除く): 7967263

約数列:

[1, 5, 7, 35, 163, 815, 1141, 3673, 5705, 18365, 25711, 128555, 598699, 2993495, 4190893, 20954465]

約数ペア:

[(1, 20954465), (5, 4190893), (7, 2993495), (35, 598699), (163, 128555), (815, 25711), (1141, 18365), (3673, 5705)]