20308520883

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20576009}}^1$

素因数の和:20576066

約数の個数: 16

約数和(自身を含む): 31604751360

約数和(自身を除く): 11296230477

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20576009, 61728027, 144032063, 432096189, 967072423, 2901217269, 6769506961, 20308520883]

約数ペア:

[(1, 20308520883), (3, 6769506961), (7, 2901217269), (21, 967072423), (47, 432096189), (141, 144032063), (329, 61728027), (987, 20576009)]