20899144321

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 24264147600

約数和(自身を除く): 3365003279

約数列:

[1, 11, 29, 101, 109, 121, 319, 541, 1111, 1199, 2929, 3161, 3509, 5951, 11009, 12221, 13189, 15689, 32219, 34771, 54641, 58969, 65461, 121099, 172579, 319261, 354409, 382481, 601051, 648659, 1332089, 1584589, 1710101, 1898369, 3511871, 5955869, 6611561, 7135249, 17430479, 18811111, 38630581, 65514559, 172720201, 191735269, 206922221, 720660149, 1899922211, 20899144321]

約数ペア:

[(1, 20899144321), (11, 1899922211), (29, 720660149), (101, 206922221), (109, 191735269), (121, 172720201), (319, 65514559), (541, 38630581), (1111, 18811111), (1199, 17430479), (2929, 7135249), (3161, 6611561), (3509, 5955869), (5951, 3511871), (11009, 1898369), (12221, 1710101), (13189, 1584589), (15689, 1332089), (32219, 648659), (34771, 601051), (54641, 382481), (58969, 354409), (65461, 319261), (121099, 172579)]