20134779

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 32034816

約数和(自身を除く): 11900037

約数列:

[1, 3, 7, 21, 31, 93, 157, 197, 217, 471, 591, 651, 1099, 1379, 3297, 4137, 4867, 6107, 14601, 18321, 30929, 34069, 42749, 92787, 102207, 128247, 216503, 649509, 958799, 2876397, 6711593, 20134779]

約数ペア:

[(1, 20134779), (3, 6711593), (7, 2876397), (21, 958799), (31, 649509), (93, 216503), (157, 128247), (197, 102207), (217, 92787), (471, 42749), (591, 34069), (651, 30929), (1099, 18321), (1379, 14601), (3297, 6107), (4137, 4867)]