20953849791

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1\times {\mathrm{6263}}^1$

素因数の和:7095

約数の個数: 32

約数和(自身を含む): 32099742720

約数和(自身を除く): 11145892929

約数列:

[1, 3, 7, 21, 313, 509, 939, 1527, 2191, 3563, 6263, 6573, 10689, 18789, 43841, 131523, 159317, 477951, 1115219, 1960319, 3187867, 3345657, 5880957, 9563601, 13722233, 22315069, 41166699, 66945207, 997802371, 2993407113, 6984616597, 20953849791]

約数ペア:

[(1, 20953849791), (3, 6984616597), (7, 2993407113), (21, 997802371), (313, 66945207), (509, 41166699), (939, 22315069), (1527, 13722233), (2191, 9563601), (3563, 5880957), (6263, 3345657), (6573, 3187867), (10689, 1960319), (18789, 1115219), (43841, 477951), (131523, 159317)]