20166481816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{984307}}^1$

素因数の和:984523

約数の個数: 32

約数和(自身を含む): 40927526640

約数和(自身を除く): 20761044824

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1576, 2561, 5122, 10244, 20488, 984307, 1968614, 3937228, 7874456, 12795991, 25591982, 51183964, 102367928, 193908479, 387816958, 775633916, 1551267832, 2520810227, 5041620454, 10083240908, 20166481816]

約数ペア:

[(1, 20166481816), (2, 10083240908), (4, 5041620454), (8, 2520810227), (13, 1551267832), (26, 775633916), (52, 387816958), (104, 193908479), (197, 102367928), (394, 51183964), (788, 25591982), (1576, 12795991), (2561, 7874456), (5122, 3937228), (10244, 1968614), (20488, 984307)]