20155827867

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{77723}}^1$

素因数の和:78019

約数の個数: 32

約数和(自身を含む): 31427854848

約数和(自身を除く): 11272026981

約数列:

[1, 3, 7, 21, 53, 159, 233, 371, 699, 1113, 1631, 4893, 12349, 37047, 77723, 86443, 233169, 259329, 544061, 1632183, 4119319, 12357957, 18109459, 28835233, 54328377, 86505699, 126766213, 380298639, 959801327, 2879403981, 6718609289, 20155827867]

約数ペア:

[(1, 20155827867), (3, 6718609289), (7, 2879403981), (21, 959801327), (53, 380298639), (159, 126766213), (233, 86505699), (371, 54328377), (699, 28835233), (1113, 18109459), (1631, 12357957), (4893, 4119319), (12349, 1632183), (37047, 544061), (77723, 259329), (86443, 233169)]