20762457

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{967}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 29411712

約数和(自身を除く): 8649255

約数列:

[1, 3, 17, 51, 421, 967, 1263, 2901, 7157, 16439, 21471, 49317, 407107, 1221321, 6920819, 20762457]

約数ペア:

[(1, 20762457), (3, 6920819), (17, 1221321), (51, 407107), (421, 49317), (967, 21471), (1263, 16439), (2901, 7157)]