20760908

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1542

約数の個数: 36

約数和(自身を含む): 42871752

約数和(自身を除く): 22110844

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 1451, 2044, 2902, 3577, 5804, 7154, 10157, 14308, 20314, 40628, 71099, 105923, 142198, 211846, 284396, 423692, 741461, 1482922, 2965844, 5190227, 10380454, 20760908]

約数ペア:

[(1, 20760908), (2, 10380454), (4, 5190227), (7, 2965844), (14, 1482922), (28, 741461), (49, 423692), (73, 284396), (98, 211846), (146, 142198), (196, 105923), (292, 71099), (511, 40628), (1022, 20314), (1451, 14308), (2044, 10157), (2902, 7154), (3577, 5804)]