20642388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1171}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 52374336

約数和(自身を除く): 31731948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 113, 156, 226, 339, 452, 678, 1171, 1356, 1469, 2342, 2938, 3513, 4407, 4684, 5876, 7026, 8814, 14052, 15223, 17628, 30446, 45669, 60892, 91338, 132323, 182676, 264646, 396969, 529292, 793938, 1587876, 1720199, 3440398, 5160597, 6880796, 10321194, 20642388]

約数ペア:

[(1, 20642388), (2, 10321194), (3, 6880796), (4, 5160597), (6, 3440398), (12, 1720199), (13, 1587876), (26, 793938), (39, 529292), (52, 396969), (78, 264646), (113, 182676), (156, 132323), (226, 91338), (339, 60892), (452, 45669), (678, 30446), (1171, 17628), (1356, 15223), (1469, 14052), (2342, 8814), (2938, 7026), (3513, 5876), (4407, 4684)]