20210888929

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{7243}}^1$

素因数の和:7466

約数の個数: 48

約数和(自身を含む): 26637520896

約数和(自身を除く): 6426631967

約数列:

[1, 7, 11, 31, 49, 77, 167, 217, 341, 539, 1169, 1519, 1837, 2387, 5177, 7243, 8183, 12859, 16709, 36239, 50701, 56947, 79673, 90013, 224533, 253673, 354907, 398629, 557711, 1209581, 1571731, 2469863, 2790403, 3903977, 8467067, 11002117, 13305391, 17289041, 37497011, 59269469, 93137737, 121023287, 262479077, 412467121, 651964159, 1837353539, 2887269847, 20210888929]

約数ペア:

[(1, 20210888929), (7, 2887269847), (11, 1837353539), (31, 651964159), (49, 412467121), (77, 262479077), (167, 121023287), (217, 93137737), (341, 59269469), (539, 37497011), (1169, 17289041), (1519, 13305391), (1837, 11002117), (2387, 8467067), (5177, 3903977), (7243, 2790403), (8183, 2469863), (12859, 1571731), (16709, 1209581), (36239, 557711), (50701, 398629), (56947, 354907), (79673, 253673), (90013, 224533)]