20177542329

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2188691}}^1$

素因数の和:2189140

約数の個数: 16

約数和(自身を含む): 30816783360

約数和(自身を除く): 10639241031

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 2188691, 6566073, 15320837, 45962511, 960835349, 2882506047, 6725847443, 20177542329]

約数ペア:

[(1, 20177542329), (3, 6725847443), (7, 2882506047), (21, 960835349), (439, 45962511), (1317, 15320837), (3073, 6566073), (9219, 2188691)]