20826153

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6949}}^1$

素因数の和:6998

約数の個数: 20

約数和(自身を含む): 31956100

約数和(自身を除く): 11129947

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6949, 20847, 62541, 187623, 257113, 562869, 771339, 2314017, 6942051, 20826153]

約数ペア:

[(1, 20826153), (3, 6942051), (9, 2314017), (27, 771339), (37, 562869), (81, 257113), (111, 187623), (333, 62541), (999, 20847), (2997, 6949)]