20199295204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{209719}}^1$

素因数の和:209944

約数の個数: 36

約数和(自身を含む): 39049864000

約数和(自身を除く): 18850568796

約数列:

[1, 2, 4, 11, 22, 44, 121, 199, 242, 398, 484, 796, 2189, 4378, 8756, 24079, 48158, 96316, 209719, 419438, 838876, 2306909, 4613818, 9227636, 25375999, 41734081, 50751998, 83468162, 101503996, 166936324, 459074891, 918149782, 1836299564, 5049823801, 10099647602, 20199295204]

約数ペア:

[(1, 20199295204), (2, 10099647602), (4, 5049823801), (11, 1836299564), (22, 918149782), (44, 459074891), (121, 166936324), (199, 101503996), (242, 83468162), (398, 50751998), (484, 41734081), (796, 25375999), (2189, 9227636), (4378, 4613818), (8756, 2306909), (24079, 838876), (48158, 419438), (96316, 209719)]