20653732

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 36

約数和(自身を含む): 40144720

約数和(自身を除く): 19490988

約数列:

[1, 2, 4, 11, 22, 44, 121, 139, 242, 278, 307, 484, 556, 614, 1228, 1529, 3058, 3377, 6116, 6754, 13508, 16819, 33638, 37147, 42673, 67276, 74294, 85346, 148588, 170692, 469403, 938806, 1877612, 5163433, 10326866, 20653732]

約数ペア:

[(1, 20653732), (2, 10326866), (4, 5163433), (11, 1877612), (22, 938806), (44, 469403), (121, 170692), (139, 148588), (242, 85346), (278, 74294), (307, 67276), (484, 42673), (556, 37147), (614, 33638), (1228, 16819), (1529, 13508), (3058, 6754), (3377, 6116)]