20161484920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5196259}}^1$

素因数の和:5196367

約数の個数: 32

約数和(自身を含む): 45831013200

約数和(自身を除く): 25669528280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 5196259, 10392518, 20785036, 25981295, 41570072, 51962590, 103925180, 207850360, 504037123, 1008074246, 2016148492, 2520185615, 4032296984, 5040371230, 10080742460, 20161484920]

約数ペア:

[(1, 20161484920), (2, 10080742460), (4, 5040371230), (5, 4032296984), (8, 2520185615), (10, 2016148492), (20, 1008074246), (40, 504037123), (97, 207850360), (194, 103925180), (388, 51962590), (485, 41570072), (776, 25981295), (970, 20785036), (1940, 10392518), (3880, 5196259)]