20349973

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 23760000

約数和(自身を除く): 3410027

約数列:

[1, 7, 109, 149, 179, 763, 1043, 1253, 16241, 19511, 26671, 113687, 136577, 186697, 2907139, 20349973]

約数ペア:

[(1, 20349973), (7, 2907139), (109, 186697), (149, 136577), (179, 113687), (763, 26671), (1043, 19511), (1253, 16241)]