20475483

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7331}}^1$

素因数の和:7367

約数の個数: 24

約数和(自身を含む): 33433920

約数和(自身を除く): 12958437

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7331, 21993, 51317, 139289, 153951, 359219, 417867, 975023, 1077657, 2925069, 6825161, 20475483]

約数ペア:

[(1, 20475483), (3, 6825161), (7, 2925069), (19, 1077657), (21, 975023), (49, 417867), (57, 359219), (133, 153951), (147, 139289), (399, 51317), (931, 21993), (2793, 7331)]