20161755615

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{353}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 32997444480

約数和(自身を除く): 12835688865

約数列:

[1, 3, 5, 15, 109, 181, 193, 327, 353, 543, 545, 579, 905, 965, 1059, 1635, 1765, 2715, 2895, 5295, 19729, 21037, 34933, 38477, 59187, 63111, 63893, 68129, 98645, 104799, 105185, 115431, 174665, 191679, 192385, 204387, 295935, 315555, 319465, 340645, 523995, 577155, 958395, 1021935, 3807697, 6964337, 7426061, 11423091, 12331349, 19038485, 20893011, 22278183, 34821685, 36994047, 37130305, 57115455, 61656745, 104465055, 111390915, 184970235, 1344117041, 4032351123, 6720585205, 20161755615]

約数ペア:

[(1, 20161755615), (3, 6720585205), (5, 4032351123), (15, 1344117041), (109, 184970235), (181, 111390915), (193, 104465055), (327, 61656745), (353, 57115455), (543, 37130305), (545, 36994047), (579, 34821685), (905, 22278183), (965, 20893011), (1059, 19038485), (1635, 12331349), (1765, 11423091), (2715, 7426061), (2895, 6964337), (5295, 3807697), (19729, 1021935), (21037, 958395), (34933, 577155), (38477, 523995), (59187, 340645), (63111, 319465), (63893, 315555), (68129, 295935), (98645, 204387), (104799, 192385), (105185, 191679), (115431, 174665)]