12820918

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1764

約数の個数: 24

約数和(自身を含む): 21833280

約数和(自身を除く): 9012362

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 1709, 3418, 3751, 7502, 18799, 37598, 52979, 105958, 206789, 413578, 582769, 1165538, 6410459, 12820918]

約数ペア:

[(1, 12820918), (2, 6410459), (11, 1165538), (22, 582769), (31, 413578), (62, 206789), (121, 105958), (242, 52979), (341, 37598), (682, 18799), (1709, 7502), (3418, 3751)]