20750290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1559}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 41109120

約数和(自身を除く): 20358830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1559, 2662, 3118, 6655, 7795, 13310, 15590, 17149, 34298, 85745, 171490, 188639, 377278, 943195, 1886390, 2075029, 4150058, 10375145, 20750290]

約数ペア:

[(1, 20750290), (2, 10375145), (5, 4150058), (10, 2075029), (11, 1886390), (22, 943195), (55, 377278), (110, 188639), (121, 171490), (242, 85745), (605, 34298), (1210, 17149), (1331, 15590), (1559, 13310), (2662, 7795), (3118, 6655)]