20537132

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 24701908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 131, 154, 262, 308, 509, 524, 917, 1018, 1441, 1834, 2036, 2882, 3563, 3668, 5599, 5764, 7126, 10087, 11198, 14252, 20174, 22396, 39193, 40348, 66679, 78386, 133358, 156772, 266716, 466753, 733469, 933506, 1466938, 1867012, 2933876, 5134283, 10268566, 20537132]

約数ペア:

[(1, 20537132), (2, 10268566), (4, 5134283), (7, 2933876), (11, 1867012), (14, 1466938), (22, 933506), (28, 733469), (44, 466753), (77, 266716), (131, 156772), (154, 133358), (262, 78386), (308, 66679), (509, 40348), (524, 39193), (917, 22396), (1018, 20174), (1441, 14252), (1834, 11198), (2036, 10087), (2882, 7126), (3563, 5764), (3668, 5599)]