20694268

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5557}}^1$

素因数の和:5594

約数の個数: 36

約数和(自身を含む): 44352840

約数和(自身を除く): 23658572

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5557, 11114, 22228, 38899, 77798, 105583, 155596, 211166, 272293, 422332, 544586, 739081, 1089172, 1478162, 2956324, 5173567, 10347134, 20694268]

約数ペア:

[(1, 20694268), (2, 10347134), (4, 5173567), (7, 2956324), (14, 1478162), (19, 1089172), (28, 739081), (38, 544586), (49, 422332), (76, 272293), (98, 211166), (133, 155596), (196, 105583), (266, 77798), (532, 38899), (931, 22228), (1862, 11114), (3724, 5557)]