20666402

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{4073}}^1$

素因数の和:4177

約数の個数: 16

約数和(自身を含む): 32266080

約数和(自身を除く): 11599678

約数列:

[1, 2, 43, 59, 86, 118, 2537, 4073, 5074, 8146, 175139, 240307, 350278, 480614, 10333201, 20666402]

約数ペア:

[(1, 20666402), (2, 10333201), (43, 480614), (59, 350278), (86, 240307), (118, 175139), (2537, 8146), (4073, 5074)]