20498610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5647}}^1$

素因数の和:5679

約数の個数: 48

約数和(自身を含む): 54085248

約数和(自身を除く): 33586638

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1815, 3630, 5647, 11294, 16941, 28235, 33882, 56470, 62117, 84705, 124234, 169410, 186351, 310585, 372702, 621170, 683287, 931755, 1366574, 1863510, 2049861, 3416435, 4099722, 6832870, 10249305, 20498610]

約数ペア:

[(1, 20498610), (2, 10249305), (3, 6832870), (5, 4099722), (6, 3416435), (10, 2049861), (11, 1863510), (15, 1366574), (22, 931755), (30, 683287), (33, 621170), (55, 372702), (66, 310585), (110, 186351), (121, 169410), (165, 124234), (242, 84705), (330, 62117), (363, 56470), (605, 33882), (726, 28235), (1210, 16941), (1815, 11294), (3630, 5647)]