20440552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2131}}^1$

素因数の和:2257

約数の個数: 32

約数和(自身を含む): 42213600

約数和(自身を除く): 21773048

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2131, 2398, 4262, 4796, 8524, 9592, 17048, 23441, 46882, 93764, 187528, 232279, 464558, 929116, 1858232, 2555069, 5110138, 10220276, 20440552]

約数ペア:

[(1, 20440552), (2, 10220276), (4, 5110138), (8, 2555069), (11, 1858232), (22, 929116), (44, 464558), (88, 232279), (109, 187528), (218, 93764), (436, 46882), (872, 23441), (1199, 17048), (2131, 9592), (2398, 8524), (4262, 4796)]