20163855

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22037}}^1$

素因数の和:22106

約数の個数: 16

約数和(自身を含む): 32792544

約数和(自身を除く): 12628689

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 22037, 66111, 110185, 330555, 1344257, 4032771, 6721285, 20163855]

約数ペア:

[(1, 20163855), (3, 6721285), (5, 4032771), (15, 1344257), (61, 330555), (183, 110185), (305, 66111), (915, 22037)]