20560204

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5521}}^1$

素因数の和:5558

約数の個数: 36

約数和(自身を含む): 44065560

約数和(自身を除く): 23505356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5521, 11042, 22084, 38647, 77294, 104899, 154588, 209798, 270529, 419596, 541058, 734293, 1082116, 1468586, 2937172, 5140051, 10280102, 20560204]

約数ペア:

[(1, 20560204), (2, 10280102), (4, 5140051), (7, 2937172), (14, 1468586), (19, 1082116), (28, 734293), (38, 541058), (49, 419596), (76, 270529), (98, 209798), (133, 154588), (196, 104899), (266, 77294), (532, 38647), (931, 22084), (1862, 11042), (3724, 5521)]