20465508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12823}}^1$

素因数の和:12856

約数の個数: 48

約数和(自身を含む): 57451520

約数和(自身を除く): 36986012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 12823, 25646, 38469, 51292, 76938, 89761, 153876, 179522, 243637, 269283, 359044, 487274, 538566, 730911, 974548, 1077132, 1461822, 1705459, 2923644, 3410918, 5116377, 6821836, 10232754, 20465508]

約数ペア:

[(1, 20465508), (2, 10232754), (3, 6821836), (4, 5116377), (6, 3410918), (7, 2923644), (12, 1705459), (14, 1461822), (19, 1077132), (21, 974548), (28, 730911), (38, 538566), (42, 487274), (57, 359044), (76, 269283), (84, 243637), (114, 179522), (133, 153876), (228, 89761), (266, 76938), (399, 51292), (532, 38469), (798, 25646), (1596, 12823)]