20337464

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7727}}^1$

素因数の和:7787

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 24175816

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7727, 15454, 30908, 54089, 61816, 108178, 216356, 363169, 432712, 726338, 1452676, 2542183, 2905352, 5084366, 10168732, 20337464]

約数ペア:

[(1, 20337464), (2, 10168732), (4, 5084366), (7, 2905352), (8, 2542183), (14, 1452676), (28, 726338), (47, 432712), (56, 363169), (94, 216356), (188, 108178), (329, 61816), (376, 54089), (658, 30908), (1316, 15454), (2632, 7727)]