20462787

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 30977856

約数和(自身を除く): 10515069

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 787, 963, 2361, 2889, 7083, 8667, 21249, 26001, 63747, 84209, 191241, 252627, 757881, 2273643, 6820929, 20462787]

約数ペア:

[(1, 20462787), (3, 6820929), (9, 2273643), (27, 757881), (81, 252627), (107, 191241), (243, 84209), (321, 63747), (787, 26001), (963, 21249), (2361, 8667), (2889, 7083)]