20199963021

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1\times {\mathrm{8731}}^1$

素因数の和:8930

約数の個数: 48

約数和(自身を含む): 32125936128

約数和(自身を除く): 11925973107

約数列:

[1, 3, 7, 21, 29, 87, 131, 203, 393, 609, 841, 917, 2523, 2751, 3799, 5887, 8731, 11397, 17661, 26193, 26593, 61117, 79779, 110171, 183351, 253199, 330513, 759597, 771197, 1143761, 1772393, 2313591, 3431283, 5317179, 7342771, 8006327, 22028313, 24018981, 33169069, 51399397, 99507207, 154198191, 232183483, 696550449, 961903001, 2885709003, 6733321007, 20199963021]

約数ペア:

[(1, 20199963021), (3, 6733321007), (7, 2885709003), (21, 961903001), (29, 696550449), (87, 232183483), (131, 154198191), (203, 99507207), (393, 51399397), (609, 33169069), (841, 24018981), (917, 22028313), (2523, 8006327), (2751, 7342771), (3799, 5317179), (5887, 3431283), (8731, 2313591), (11397, 1772393), (17661, 1143761), (26193, 771197), (26593, 759597), (61117, 330513), (79779, 253199), (110171, 183351)]