20862963

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2539}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 33284160

約数和(自身を除く): 12421197

約数列:

[1, 3, 9, 11, 33, 83, 99, 249, 747, 913, 2539, 2739, 7617, 8217, 22851, 27929, 83787, 210737, 251361, 632211, 1896633, 2318107, 6954321, 20862963]

約数ペア:

[(1, 20862963), (3, 6954321), (9, 2318107), (11, 1896633), (33, 632211), (83, 251361), (99, 210737), (249, 83787), (747, 27929), (913, 22851), (2539, 8217), (2739, 7617)]