20226563

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 24511824

約数和(自身を除く): 4285261

約数列:

[1, 7, 49, 61, 67, 101, 427, 469, 707, 2989, 3283, 4087, 4949, 6161, 6767, 28609, 43127, 47369, 200263, 301889, 331583, 412787, 2889509, 20226563]

約数ペア:

[(1, 20226563), (7, 2889509), (49, 412787), (61, 331583), (67, 301889), (101, 200263), (427, 47369), (469, 43127), (707, 28609), (2989, 6767), (3283, 6161), (4087, 4949)]