20858048

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1057

約数の個数: 56

約数和(自身を含む): 46177200

約数和(自身を除く): 25319152

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1009, 1088, 1216, 1292, 2018, 2584, 4036, 5168, 8072, 10336, 16144, 17153, 19171, 20672, 32288, 34306, 38342, 64576, 68612, 76684, 137224, 153368, 274448, 306736, 325907, 548896, 613472, 651814, 1097792, 1226944, 1303628, 2607256, 5214512, 10429024, 20858048]

約数ペア:

[(1, 20858048), (2, 10429024), (4, 5214512), (8, 2607256), (16, 1303628), (17, 1226944), (19, 1097792), (32, 651814), (34, 613472), (38, 548896), (64, 325907), (68, 306736), (76, 274448), (136, 153368), (152, 137224), (272, 76684), (304, 68612), (323, 64576), (544, 38342), (608, 34306), (646, 32288), (1009, 20672), (1088, 19171), (1216, 17153), (1292, 16144), (2018, 10336), (2584, 8072), (4036, 5168)]