20325951

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11607489

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 461, 621, 639, 1383, 1633, 1917, 4149, 4899, 10603, 12447, 14697, 31809, 32731, 44091, 95427, 98193, 286281, 294579, 752813, 883737, 2258439, 6775317, 20325951]

約数ペア:

[(1, 20325951), (3, 6775317), (9, 2258439), (23, 883737), (27, 752813), (69, 294579), (71, 286281), (207, 98193), (213, 95427), (461, 44091), (621, 32731), (639, 31809), (1383, 14697), (1633, 12447), (1917, 10603), (4149, 4899)]