20177982

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 48213360

約数和(自身を除く): 28035378

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 101, 198, 202, 303, 606, 909, 1009, 1111, 1818, 2018, 2222, 3027, 3333, 6054, 6666, 9081, 9999, 11099, 18162, 19998, 22198, 33297, 66594, 99891, 101909, 199782, 203818, 305727, 611454, 917181, 1120999, 1834362, 2241998, 3362997, 6725994, 10088991, 20177982]

約数ペア:

[(1, 20177982), (2, 10088991), (3, 6725994), (6, 3362997), (9, 2241998), (11, 1834362), (18, 1120999), (22, 917181), (33, 611454), (66, 305727), (99, 203818), (101, 199782), (198, 101909), (202, 99891), (303, 66594), (606, 33297), (909, 22198), (1009, 19998), (1111, 18162), (1818, 11099), (2018, 9999), (2222, 9081), (3027, 6666), (3333, 6054)]