20053418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 37749888

約数和(自身を除く): 17696470

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 661, 1322, 1379, 2167, 2758, 4334, 4627, 7271, 9254, 14542, 15169, 30338, 50897, 101794, 130217, 260434, 911519, 1432387, 1823038, 2864774, 10026709, 20053418]

約数ペア:

[(1, 20053418), (2, 10026709), (7, 2864774), (11, 1823038), (14, 1432387), (22, 911519), (77, 260434), (154, 130217), (197, 101794), (394, 50897), (661, 30338), (1322, 15169), (1379, 14542), (2167, 9254), (2758, 7271), (4334, 4627)]