20718456

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{78479}}^1$

素因数の和:78499

約数の個数: 32

約数和(自身を含む): 56505600

約数和(自身を除く): 35787144

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78479, 156958, 235437, 313916, 470874, 627832, 863269, 941748, 1726538, 1883496, 2589807, 3453076, 5179614, 6906152, 10359228, 20718456]

約数ペア:

[(1, 20718456), (2, 10359228), (3, 6906152), (4, 5179614), (6, 3453076), (8, 2589807), (11, 1883496), (12, 1726538), (22, 941748), (24, 863269), (33, 627832), (44, 470874), (66, 313916), (88, 235437), (132, 156958), (264, 78479)]