20820625803

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3836489}}^1$

素因数の和:3836568

約数の個数: 20

約数和(自身を含む): 31566639720

約数和(自身を除く): 10746013917

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 3836489, 11509467, 34528401, 103585203, 257044763, 310755609, 771134289, 2313402867, 6940208601, 20820625803]

約数ペア:

[(1, 20820625803), (3, 6940208601), (9, 2313402867), (27, 771134289), (67, 310755609), (81, 257044763), (201, 103585203), (603, 34528401), (1809, 11509467), (5427, 3836489)]