20779621804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{1039}}^1\times {\mathrm{121949}}^1$

素因数の和:123033

約数の個数: 24

約数和(自身を含む): 37287432000

約数和(自身を除く): 16507810196

約数列:

[1, 2, 4, 41, 82, 164, 1039, 2078, 4156, 42599, 85198, 121949, 170396, 243898, 487796, 4999909, 9999818, 19999636, 126705011, 253410022, 506820044, 5194905451, 10389810902, 20779621804]

約数ペア:

[(1, 20779621804), (2, 10389810902), (4, 5194905451), (41, 506820044), (82, 253410022), (164, 126705011), (1039, 19999636), (2078, 9999818), (4156, 4999909), (42599, 487796), (85198, 243898), (121949, 170396)]