20802153

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 29395168

約数和(自身を除く): 8593015

約数列:

[1, 3, 43, 47, 73, 129, 141, 219, 2021, 2209, 3139, 3431, 6063, 6627, 9417, 10293, 94987, 147533, 161257, 284961, 442599, 483771, 6934051, 20802153]

約数ペア:

[(1, 20802153), (3, 6934051), (43, 483771), (47, 442599), (73, 284961), (129, 161257), (141, 147533), (219, 94987), (2021, 10293), (2209, 9417), (3139, 6627), (3431, 6063)]