20508717296

素因数分解:

$2^4\times {\mathrm{3329}}^1\times {\mathrm{385039}}^1$

素因数の和:388376

約数の個数: 20

約数和(自身を含む): 39747679200

約数和(自身を除く): 19238961904

約数列:

[1, 2, 4, 8, 16, 3329, 6658, 13316, 26632, 53264, 385039, 770078, 1540156, 3080312, 6160624, 1281794831, 2563589662, 5127179324, 10254358648, 20508717296]

約数ペア:

[(1, 20508717296), (2, 10254358648), (4, 5127179324), (8, 2563589662), (16, 1281794831), (3329, 6160624), (6658, 3080312), (13316, 1540156), (26632, 770078), (53264, 385039)]