20349357

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{479}}^1$

素因数の和:530

約数の個数: 36

約数和(自身を含む): 33598080

約数和(自身を除く): 13248723

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 289, 357, 479, 833, 867, 1437, 2023, 2499, 3353, 6069, 8143, 10059, 14161, 23471, 24429, 42483, 57001, 70413, 138431, 171003, 399007, 415293, 969017, 1197021, 2907051, 6783119, 20349357]

約数ペア:

[(1, 20349357), (3, 6783119), (7, 2907051), (17, 1197021), (21, 969017), (49, 415293), (51, 399007), (119, 171003), (147, 138431), (289, 70413), (357, 57001), (479, 42483), (833, 24429), (867, 23471), (1437, 14161), (2023, 10059), (2499, 8143), (3353, 6069)]