2069980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^2$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 4791528

約数和(自身を除く): 2721548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 9409, 10670, 18818, 21340, 37636, 47045, 94090, 103499, 188180, 206998, 413996, 517495, 1034990, 2069980]

約数ペア:

[(1, 2069980), (2, 1034990), (4, 517495), (5, 413996), (10, 206998), (11, 188180), (20, 103499), (22, 94090), (44, 47045), (55, 37636), (97, 21340), (110, 18818), (194, 10670), (220, 9409), (388, 5335), (485, 4268), (970, 2134), (1067, 1940)]