20148436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 46773440

約数和(自身を除く): 26625004

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 313, 418, 484, 532, 626, 836, 847, 1252, 1463, 1694, 2191, 2299, 2926, 3388, 3443, 4382, 4598, 5852, 5947, 6886, 8764, 9196, 11894, 13772, 16093, 23788, 24101, 32186, 37873, 41629, 48202, 64372, 65417, 75746, 83258, 96404, 130834, 151492, 166516, 261668, 265111, 457919, 530222, 719587, 915838, 1060444, 1439174, 1831676, 2878348, 5037109, 10074218, 20148436]

約数ペア:

[(1, 20148436), (2, 10074218), (4, 5037109), (7, 2878348), (11, 1831676), (14, 1439174), (19, 1060444), (22, 915838), (28, 719587), (38, 530222), (44, 457919), (76, 265111), (77, 261668), (121, 166516), (133, 151492), (154, 130834), (209, 96404), (242, 83258), (266, 75746), (308, 65417), (313, 64372), (418, 48202), (484, 41629), (532, 37873), (626, 32186), (836, 24101), (847, 23788), (1252, 16093), (1463, 13772), (1694, 11894), (2191, 9196), (2299, 8764), (2926, 6886), (3388, 5947), (3443, 5852), (4382, 4598)]