20488236485

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{5419}}^1\times {\mathrm{18443}}^1$

素因数の和:23908

約数の個数: 16

約数和(自身を含む): 25191552960

約数和(自身を除く): 4703316475

約数列:

[1, 5, 41, 205, 5419, 18443, 27095, 92215, 222179, 756163, 1110895, 3780815, 99942617, 499713085, 4097647297, 20488236485]

約数ペア:

[(1, 20488236485), (5, 4097647297), (41, 499713085), (205, 99942617), (5419, 3780815), (18443, 1110895), (27095, 756163), (92215, 222179)]