20196087989

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{30941}}^1$

素因数の和:31146

約数の個数: 32

約数和(自身を含む): 25842758400

約数和(自身を除く): 5646670411

約数列:

[1, 7, 11, 49, 77, 173, 343, 539, 1211, 1903, 3773, 8477, 13321, 30941, 59339, 93247, 216587, 340351, 652729, 1516109, 2382457, 5352793, 10612763, 16677199, 37469551, 58880723, 116740393, 262286857, 412165061, 1836007999, 2885155427, 20196087989]

約数ペア:

[(1, 20196087989), (7, 2885155427), (11, 1836007999), (49, 412165061), (77, 262286857), (173, 116740393), (343, 58880723), (539, 37469551), (1211, 16677199), (1903, 10612763), (3773, 5352793), (8477, 2382457), (13321, 1516109), (30941, 652729), (59339, 340351), (93247, 216587)]