20714716

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 40278784

約数和(自身を除く): 19564068

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 337, 484, 508, 674, 1348, 1397, 2794, 3707, 5588, 7414, 14828, 15367, 30734, 40777, 42799, 61468, 81554, 85598, 163108, 171196, 470789, 941578, 1883156, 5178679, 10357358, 20714716]

約数ペア:

[(1, 20714716), (2, 10357358), (4, 5178679), (11, 1883156), (22, 941578), (44, 470789), (121, 171196), (127, 163108), (242, 85598), (254, 81554), (337, 61468), (484, 42799), (508, 40777), (674, 30734), (1348, 15367), (1397, 14828), (2794, 7414), (3707, 5588)]