20445026

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 37307520

約数和(自身を除く): 16862494

約数列:

[1, 2, 7, 14, 19, 38, 101, 133, 202, 266, 707, 761, 1414, 1522, 1919, 3838, 5327, 10654, 13433, 14459, 26866, 28918, 76861, 101213, 153722, 202426, 538027, 1076054, 1460359, 2920718, 10222513, 20445026]

約数ペア:

[(1, 20445026), (2, 10222513), (7, 2920718), (14, 1460359), (19, 1076054), (38, 538027), (101, 202426), (133, 153722), (202, 101213), (266, 76861), (707, 28918), (761, 26866), (1414, 14459), (1522, 13433), (1919, 10654), (3838, 5327)]