20116852

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:736

約数の個数: 36

約数和(自身を含む): 41239044

約数和(自身を除く): 21122192

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 521, 788, 1042, 1379, 2084, 2758, 3647, 5516, 7294, 9653, 14588, 19306, 25529, 38612, 51058, 102116, 102637, 205274, 410548, 718459, 1436918, 2873836, 5029213, 10058426, 20116852]

約数ペア:

[(1, 20116852), (2, 10058426), (4, 5029213), (7, 2873836), (14, 1436918), (28, 718459), (49, 410548), (98, 205274), (196, 102637), (197, 102116), (394, 51058), (521, 38612), (788, 25529), (1042, 19306), (1379, 14588), (2084, 9653), (2758, 7294), (3647, 5516)]