20954511

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40847}}^1$

素因数の和:40875

約数の個数: 16

約数和(自身を含む): 32678400

約数和(自身を除く): 11723889

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40847, 122541, 367623, 776093, 1102869, 2328279, 6984837, 20954511]

約数ペア:

[(1, 20954511), (3, 6984837), (9, 2328279), (19, 1102869), (27, 776093), (57, 367623), (171, 122541), (513, 40847)]