20512355841

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1796021}}^1$

素因数の和:1796083

約数の個数: 24

約数和(自身を含む): 31380096384

約数和(自身を除く): 10867740543

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 3807, 11421, 1796021, 5388063, 16164189, 48492567, 84412987, 145477701, 253238961, 436433103, 759716883, 2279150649, 6837451947, 20512355841]

約数ペア:

[(1, 20512355841), (3, 6837451947), (9, 2279150649), (27, 759716883), (47, 436433103), (81, 253238961), (141, 145477701), (243, 84412987), (423, 48492567), (1269, 16164189), (3807, 5388063), (11421, 1796021)]