20643568

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10663}}^1$

素因数の和:10693

約数の個数: 30

約数和(自身を含む): 43967672

約数和(自身を除く): 23324104

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10663, 21326, 42652, 85304, 117293, 170608, 234586, 469172, 938344, 1290223, 1876688, 2580446, 5160892, 10321784, 20643568]

約数ペア:

[(1, 20643568), (2, 10321784), (4, 5160892), (8, 2580446), (11, 1876688), (16, 1290223), (22, 938344), (44, 469172), (88, 234586), (121, 170608), (176, 117293), (242, 85304), (484, 42652), (968, 21326), (1936, 10663)]