20805972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{967}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 53340672

約数和(自身を除く): 32534700

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 163, 326, 489, 652, 967, 978, 1793, 1934, 1956, 2901, 3586, 3868, 5379, 5802, 7172, 10637, 10758, 11604, 21274, 21516, 31911, 42548, 63822, 127644, 157621, 315242, 472863, 630484, 945726, 1733831, 1891452, 3467662, 5201493, 6935324, 10402986, 20805972]

約数ペア:

[(1, 20805972), (2, 10402986), (3, 6935324), (4, 5201493), (6, 3467662), (11, 1891452), (12, 1733831), (22, 945726), (33, 630484), (44, 472863), (66, 315242), (132, 157621), (163, 127644), (326, 63822), (489, 42548), (652, 31911), (967, 21516), (978, 21274), (1793, 11604), (1934, 10758), (1956, 10637), (2901, 7172), (3586, 5802), (3868, 5379)]