20683856

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3581}}^1$

素因数の和:3627

約数の個数: 30

約数和(自身を含む): 42307002

約数和(自身を除く): 21623146

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3581, 5776, 7162, 14324, 28648, 57296, 68039, 136078, 272156, 544312, 1088624, 1292741, 2585482, 5170964, 10341928, 20683856]

約数ペア:

[(1, 20683856), (2, 10341928), (4, 5170964), (8, 2585482), (16, 1292741), (19, 1088624), (38, 544312), (76, 272156), (152, 136078), (304, 68039), (361, 57296), (722, 28648), (1444, 14324), (2888, 7162), (3581, 5776)]