20347572021

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3061}}^1\times {\mathrm{10211}}^1$

素因数の和:13313

約数の個数: 32

約数和(自身を含む): 32019603456

約数和(自身を除く): 11672031435

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3061, 9183, 10211, 21427, 30633, 64281, 71477, 94891, 214431, 284673, 316541, 664237, 949623, 1992711, 2215787, 6647361, 31255871, 93767613, 218791097, 656373291, 968932001, 2906796003, 6782524007, 20347572021]

約数ペア:

[(1, 20347572021), (3, 6782524007), (7, 2906796003), (21, 968932001), (31, 656373291), (93, 218791097), (217, 93767613), (651, 31255871), (3061, 6647361), (9183, 2215787), (10211, 1992711), (21427, 949623), (30633, 664237), (64281, 316541), (71477, 284673), (94891, 214431)]