20350900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10711}}^1$

素因数の和:10744

約数の個数: 36

約数和(自身を含む): 46490080

約数和(自身を除く): 26139180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10711, 21422, 42844, 53555, 107110, 203509, 214220, 267775, 407018, 535550, 814036, 1017545, 1071100, 2035090, 4070180, 5087725, 10175450, 20350900]

約数ペア:

[(1, 20350900), (2, 10175450), (4, 5087725), (5, 4070180), (10, 2035090), (19, 1071100), (20, 1017545), (25, 814036), (38, 535550), (50, 407018), (76, 267775), (95, 214220), (100, 203509), (190, 107110), (380, 53555), (475, 42844), (950, 21422), (1900, 10711)]