20578292

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 44298240

約数和(自身を除く): 23719948

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 76, 94, 133, 188, 266, 329, 532, 658, 823, 893, 1316, 1646, 1786, 3292, 3572, 5761, 6251, 11522, 12502, 15637, 23044, 25004, 31274, 38681, 62548, 77362, 109459, 154724, 218918, 270767, 437836, 541534, 734939, 1083068, 1469878, 2939756, 5144573, 10289146, 20578292]

約数ペア:

[(1, 20578292), (2, 10289146), (4, 5144573), (7, 2939756), (14, 1469878), (19, 1083068), (28, 734939), (38, 541534), (47, 437836), (76, 270767), (94, 218918), (133, 154724), (188, 109459), (266, 77362), (329, 62548), (532, 38681), (658, 31274), (823, 25004), (893, 23044), (1316, 15637), (1646, 12502), (1786, 11522), (3292, 6251), (3572, 5761)]