20122135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21521}}^1$

素因数の和:21554

約数の個数: 16

約数和(自身を含む): 27892512

約数和(自身を除く): 7770377

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21521, 107605, 236731, 365857, 1183655, 1829285, 4024427, 20122135]

約数ペア:

[(1, 20122135), (5, 4024427), (11, 1829285), (17, 1183655), (55, 365857), (85, 236731), (187, 107605), (935, 21521)]