20098884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6781}}^1$

素因数の和:6820

約数の個数: 48

約数和(自身を含む): 53170880

約数和(自身を除く): 33071996

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6781, 13562, 20343, 27124, 40686, 81372, 88153, 128839, 176306, 257678, 264459, 352612, 386517, 515356, 528918, 773034, 1057836, 1546068, 1674907, 3349814, 5024721, 6699628, 10049442, 20098884]

約数ペア:

[(1, 20098884), (2, 10049442), (3, 6699628), (4, 5024721), (6, 3349814), (12, 1674907), (13, 1546068), (19, 1057836), (26, 773034), (38, 528918), (39, 515356), (52, 386517), (57, 352612), (76, 264459), (78, 257678), (114, 176306), (156, 128839), (228, 88153), (247, 81372), (494, 40686), (741, 27124), (988, 20343), (1482, 13562), (2964, 6781)]